Convert a bunch of leftover kohana::show_404 calls to throw

Kohana_404_Exception instead.  These are the ones where we used a
lower-case 'k' so my previous filter didn't catch it.

modules/digibug/controllers/digibug.php

@@ -87,7 +87,7 @@ public function print_proxy($type, $uuid) {
 
     $file = $type == "full" ? $proxy->item->file_path() : $proxy->item->thumb_path();
     if (!file_exists($file)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     // We don't need to save the session for this request

modules/gallery/controllers/admin.php

@@ -44,7 +44,7 @@ public function __call($controller_name, $args) {
     }
 
     if (!method_exists($controller_name, $method)) {
-      return kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     call_user_func_array(array(new $controller_name, $method), $args);

modules/gallery/controllers/file_proxy.php

@@ -38,19 +38,19 @@ public function __call($function, $args) {
     // Make sure that the request is for a file inside var
     $offset = strpos($request_uri, $var_uri);
     if ($offset === false) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     $file_uri = substr($request_uri, strlen($var_uri));
 
     // Make sure that we don't leave the var dir
     if (strpos($file_uri, "..") !== false) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     list ($type, $path) = explode("/", $file_uri, 2);
     if ($type != "resizes" && $type != "albums" && $type != "thumbs") {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     // If the last element is .album.jpg, pop that off since it's not a real item
@@ -78,7 +78,7 @@ public function __call($function, $args) {
     }
 
     if (!$item->loaded()) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     if ($type == "albums") {
@@ -91,21 +91,21 @@ public function __call($function, $args) {
 
     // Make sure we have access to the item
     if (!access::can("view", $item)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     // Make sure we have view_full access to the original
     if ($type == "albums" && !access::can("view_full", $item)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     // Don't try to load a directory
     if ($type == "albums" && $item->is_album()) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     if (!file_exists($file)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     // We don't need to save the session for this request

modules/tag/controllers/admin_tags.php

@@ -45,7 +45,7 @@ public function delete($id) {
 
     $tag = ORM::factory("tag", $id);
     if (!$tag->loaded()) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     $form = tag::get_delete_form($tag);
@@ -80,7 +80,7 @@ public function rename($id) {
 
     $tag = ORM::factory("tag", $id);
     if (!$tag->loaded()) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     $in_place_edit = InPlaceEdit::factory($tag->name)

modules/user/controllers/admin_users.php

@@ -77,7 +77,7 @@ public function delete_user($id) {
 
     $user = user::lookup($id);
     if (empty($user)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     $form = $this->_get_user_delete_form_admin($user);
@@ -98,7 +98,7 @@ public function delete_user($id) {
   public function delete_user_form($id) {
     $user = user::lookup($id);
     if (empty($user)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
     print $this->_get_user_delete_form_admin($user);
   }
@@ -108,7 +108,7 @@ public function edit_user($id) {
 
     $user = user::lookup($id);
     if (empty($user)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     $form = $this->_get_user_edit_form_admin($user);
@@ -155,7 +155,7 @@ public function edit_user($id) {
   public function edit_user_form($id) {
     $user = user::lookup($id);
     if (empty($user)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     $v = new View("user_form.html");
@@ -224,7 +224,7 @@ public function delete_group($id) {
 
     $group = group::lookup($id);
     if (empty($group)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     $form = $this->_get_group_delete_form_admin($group);
@@ -245,7 +245,7 @@ public function delete_group($id) {
   public function delete_group_form($id) {
     $group = group::lookup($id);
     if (empty($group)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     print $this->_get_group_delete_form_admin($group);
@@ -256,7 +256,7 @@ public function edit_group($id) {
 
     $group = group::lookup($id);
     if (empty($group)) {
-       kohana::show_404();
+       throw new Kohana_404_Exception();
     }
 
     $form = $this->_get_group_edit_form_admin($group);
@@ -288,7 +288,7 @@ public function edit_group($id) {
   public function edit_group_form($id) {
     $group = group::lookup($id);
     if (empty($group)) {
-      kohana::show_404();
+      throw new Kohana_404_Exception();
     }
 
     print $this->_get_group_edit_form_admin($group);