missing semicolon

issue #698

library/js/scripts.js

@@ -20,7 +20,7 @@
 */
 function updateViewportDimensions() {
 	var w=window,d=document,e=d.documentElement,g=d.getElementsByTagName('body')[0],x=w.innerWidth||e.clientWidth||g.clientWidth,y=w.innerHeight||e.clientHeight||g.clientHeight;
-	return { width:x,height:y }
+	return { width:x,height:y };
 }
 // setting the viewport width
 var viewport = updateViewportDimensions();