add location.href fallback for safari

Author: eugene-ku

FileSaver.js

@@ -95,7 +95,11 @@ var saveAs = saveAs
 					if (target_view) {
 						target_view.location.href = object_url;
 					} else {
-						view.open(object_url, "_blank");
+						var new_tab = view.open(object_url, "_blank");
+						if (new_tab == undefined && typeof safari !== "undefined") {
+							//Apple do not allow window.open, see http://bit.ly/1kZffRI
+							view.location.href = object_url
+						}
 					}
 					filesaver.readyState = filesaver.DONE;
 					dispatch_all();