Merge pull request #682 from Shallowmallow/PostClone-keyboardEvent

don't forget post clone for keyboard event

Author: ianharrigan

haxe/ui/events/KeyboardEvent.hx

@@ -22,6 +22,7 @@ class KeyboardEvent extends UIEvent {
         c.altKey = this.altKey;
         c.ctrlKey = this.ctrlKey;
         c.shiftKey = this.shiftKey;
+        postClone(c);
         return c;
     }
-}
+}