Fixed the empty notice divison being generated when PMA_showMessage() was being passed a NULL query

js/db_operations.js

@@ -44,6 +44,12 @@ $(document).ready(function() {
                     .end()
                     .after(data.sql_query);
 
+                    //Remove the empty notice div generated due to a NULL query passed to PMA_showMessage()
+                    var notice_class = $("#topmenucontainer").next("div").find('.notice');
+                    if($(notice_class).text() == '') {
+                        $(notice_class).remove();
+                    }
+
                     $("<span>" + PMA_messages['strReloadDatabase'] + "?</span>").dialog({
                         buttons: button_options
                     }) //end dialog options