Empty row result set was not being handled correctly for Table Search page, fixed it

sql.php

@@ -536,15 +536,15 @@ if (0 == $num_rows || $is_affected) {
         $message->addMessage(')');
     }
     
+    if( $GLOBALS['is_ajax_request'] == true) {
+        PMA_ajaxResponse($message, $message->isSuccess());
+    }
+
     if ($is_gotofile) {
         $goto = PMA_securePath($goto);
         // Checks for a valid target script
         $is_db = $is_table = false;
         
-        if( $GLOBALS['is_ajax_request'] == true) {
-            PMA_ajaxResponse($message);
-        }
-        
         include 'libraries/db_table_exists.lib.php';
         if (strpos($goto, 'tbl_') === 0 && ! $is_table) {
             if (strlen($table)) {