added error for Template in Flash (no EReg supported).

std/haxe/Template.hx

@@ -24,6 +24,11 @@
  */
 package haxe;
 
+#if flash
+	#if error
+	#end
+#end
+
 private enum TemplateExpr {
 	OpVar( v : String );
 	OpExpr( expr :  Void -> Dynamic );