Revert environment specific change

Bug 1465107: Use Bootstrap CSS Framework

Change-Id: I9237a157408026aeab4972fbf5563268fce029b1

htdocs/lib/mahara.php

@@ -64,11 +64,11 @@ function ensure_sanity() {
         throw new ConfigSanityException(get_string('domextensionnotloaded', 'error'));
     }
 
-    //Check for freetype in the gd extension
-    // $gd_info = gd_info();
-    // if (!$gd_info['FreeType Support']) {
-    //     throw new ConfigSanityException(get_string('gdfreetypenotloaded', 'error'));
-    // }
+    // Check for freetype in the gd extension
+    $gd_info = gd_info();
+    if (!$gd_info['FreeType Support']) {
+        throw new ConfigSanityException(get_string('gdfreetypenotloaded', 'error'));
+    }
 
     // register globals workaround
     if (ini_get_bool('register_globals')) {