[Addressability] Fix code style

Change code style to satisfy JSLint for changes from WTD-1149.

platform/commonUI/browse/src/BrowseController.js

@@ -55,6 +55,8 @@ define(
                     }),
                     priorRoute = $route.current,
                     // Act as if params HADN'T changed to avoid page reload
+                    unlisten;
+
                 unlisten = $scope.$on('$locationChangeSuccess', function () {
                     $route.current = priorRoute;
                     unlisten();