dev #59717 : silently fail when dedicated version compare helper does not exist

library/ZendAfi/Form/VersionHelper.php

@@ -41,7 +41,7 @@ class ZendAfi_Form_VersionHelper {
   protected function _classFor($element, $base_class) {
     try {
       $specific = $base_class . '_' . $this->_getElementType($element);
-      Zend_Loader::loadClass($specific);
+      @Zend_Loader::loadClass($specific);
       $base_class = $specific;
     } catch(Exception $e) {
       // couldn't load, will default to generic class name