WIP: isDefined bug

Author: IgorMinar

src/ngSanitize/sanitize.js

@@ -183,7 +183,7 @@ function $SanitizeProvider() {
    *    without a argument or self for chaining otherwise.
    */
   this.enableSvg = function(enableSvg) {
-    if (isDefined(enableSvg)) {
+    if (angular.isDefined(enableSvg)) {
       svgEnabled = enableSvg;
       return this;
     } else {