Fix regression in detecting available upgrades for libraries.

Commit 9705d28 removed this, but we still need to query the pear
system, as pear installs will not have libraries in the same root
folder as applications.

admin/config/index.php

@@ -79,6 +79,9 @@ function _uploadFTP($params)
     $pearConfig = PEAR_Config::singleton();
     $packageFile = new PEAR_PackageFile($pearConfig);
     $packages = array();
+    foreach ($pearConfig->getRegistry()->packageInfo(null, null, 'pear.horde.org') as $package) {
+        $packages[$package['name']] = $package['version']['release'];
+    }
     foreach (glob(__DIR__ . '/../../../*/package.xml') as $packagexml) {
         $package = $packageFile->fromPackageFile($packagexml, PEAR_VALIDATE_NORMAL);
         if (!($package instanceof PEAR_Error)) {