! Syntax error in xml call breaks quick modify

Signed-off-by: Spuds <spuds@simplemachines.org>

Themes/default/scripts/topic.js

@@ -242,7 +242,7 @@ QuickModify.prototype.modifyMsg = function (iMessageId)
 
 	// Send out the XMLhttp request to get more info
 	ajax_indicator(true);
-	sendXMLDocument.call(this, smf_prepareScriptUrl(this.opt.sScriptUrl) + 'action=quotefast;quote=' + iMessageId + ';modify;xml', this.onMessageReceived);
+	sendXMLDocument.call(this, smf_prepareScriptUrl(smf_scripturl) + 'action=quotefast;quote=' + iMessageId + ';modify;xml', '', this.onMessageReceived);
 }
 
 // The callback function used for the XMLhttp request retrieving the message.