[vala/staging] codegen: Reuse already retrieved get_attribute_string ("GtkTemplate", "ui")

[Rico Tzschichholz <ricotz src gnome org>]

commit 0e03a3327162519e2ce2837f34ff8e102ea256a8
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Apr 23 11:44:54 2018 +0200

    codegen: Reuse already retrieved get_attribute_string ("GtkTemplate", "ui")

 codegen/valagtkmodule.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valagtkmodule.vala b/codegen/valagtkmodule.vala
index 309d137..56c839d 100644
--- a/codegen/valagtkmodule.vala
+++ b/codegen/valagtkmodule.vala
@@ -252,7 +252,7 @@ public class Vala.GtkModule : GSignalModule {
 
                var call = new CCodeFunctionCall (new CCodeIdentifier 
("gtk_widget_class_set_template_from_resource"));
                call.add_argument (new CCodeIdentifier ("GTK_WIDGET_CLASS (klass)"));
-               call.add_argument (new CCodeConstant ("\""+cl.get_attribute_string ("GtkTemplate", 
"ui")+"\""));
+               call.add_argument (new CCodeConstant ("\"%s\"".printf (ui)));
                ccode.add_expression (call);
 
                current_required_app_classes.clear ();