Revert "Revert "Revert "Use call_user_func instead of call_user_func_array as we don't need to pass the parameters by reference."""

This reverts commit 05b5a2c9ed.

modules/gallery/libraries/Theme_View.php

@@ -65,7 +65,7 @@ class Theme_View_Core extends Gallery_View {
   public function thumb_proportion() {
     // @TODO change the 200 to a theme supplied value when and if we come up with an
     // API to allow the theme to set defaults.
-    return theme::get_var("thumb_size", 200) / 200;
+    return module::get_var("gallery", "thumb_size", 200) / 200;
   }
 
   public function item() {