Make code C90 compliant

This moves variable declrations to the beginning of a block to be C90-compliant.

pam_yubico.c

@@ -245,6 +245,7 @@ authorize_user_token_ldap (struct cfg *cfg,
   struct berval **vals;
   int rc;
   size_t i;
+  int j;
 
   char *filter = NULL;
   char *find = NULL;
@@ -308,7 +309,7 @@ authorize_user_token_ldap (struct cfg *cfg,
       DBG ("Failed allocating %zu bytes", i);
       goto done;
     }
-    int j = snprintf (find, i, "%s=%s,%s", cfg->user_attr, user, cfg->ldapdn);
+    j = snprintf (find, i, "%s=%s,%s", cfg->user_attr, user, cfg->ldapdn);
     if (j < 0 || j >= i) {
       DBG ("Failed to format string");
       goto done;

util.c

@@ -62,13 +62,14 @@ get_user_cfgfile_path(const char *common_path, const char *filename, const struc
    */
   char *userfile;
   size_t len;
+  int i;
 
   if (common_path != NULL) {
     len = strlen(common_path) + 1 + strlen(filename) + 1;
     if ((userfile = malloc(len)) == NULL) {
       return 0;
     }
-    int i = snprintf(userfile, len, "%s/%s", common_path, filename);
+    i = snprintf(userfile, len, "%s/%s", common_path, filename);
     if (i < 0 || i >= len) {
       return 0;
     }
@@ -82,7 +83,7 @@ get_user_cfgfile_path(const char *common_path, const char *filename, const struc
   if ((userfile = malloc(len)) == NULL) {
     return 0;
   }
-  int i = snprintf(userfile, len, "%s/.yubico/%s", user->pw_dir, filename);
+  i = snprintf(userfile, len, "%s/.yubico/%s", user->pw_dir, filename);
   if (i < 0 || i >= len) {
     return 0;
   }
@@ -306,6 +307,7 @@ check_user_challenge_file(const char *chalresp_path, const struct passwd *user,
    */
   size_t len;
   int r;
+  int i;
   int ret = AUTH_NOT_FOUND;
   char *userfile = NULL;
   char *userfile_pattern = NULL;
@@ -339,7 +341,7 @@ check_user_challenge_file(const char *chalresp_path, const struct passwd *user,
     goto out;
   }
 
-  int i = snprintf(userfile_pattern, len, "%s-*", userfile);
+  i = snprintf(userfile_pattern, len, "%s-*", userfile);
 
   if (i < 0 || i >= len) {
     D (debug_file, "Failed to format string correctly");