util: Separate statements with linebreak

Our eslint rules will soon forbid more than one statement per line.
We already follow that rule except for one lone offender; fix that.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/710

js/misc/util.js

@@ -313,7 +313,8 @@ function lowerBound(array, val, cmp) {
     if (array.length == 0)
         return 0;
 
-    min = 0; max = array.length;
+    min = 0;
+    max = array.length;
     while (min < (max - 1)) {
         mid = Math.floor((min + max) / 2);
         v = cmp(array[mid], val);