fix(loader): define isFunction

jerryorta-dev · lgalfaso · commit 9ea52d818bcd · 2015-07-10T22:54:58.000+02:00
Closes: angular#12299 Closes: angular#12287
diff --git a/src/loader.prefix b/src/loader.prefix
@@ -5,3 +5,4 @@
  */
 'use strict';
 (function() {
+    function isFunction(value) {return typeof value === 'function';};
