[gtk+] demo: Fix the size of the run button

[Yosef Or Boczko <yoseforb src gnome org>]

commit d9ce2ba32fba659fb991432dde30e77ca73bd1f8
Author: Yosef Or Boczko <yoseforb gmail com>
Date:   Tue Dec 3 18:44:07 2013 +0200

    demo: Fix the size of the run button

 demos/gtk-demo/main.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/demos/gtk-demo/main.ui b/demos/gtk-demo/main.ui
index dc32240..4841353 100644
--- a/demos/gtk-demo/main.ui
+++ b/demos/gtk-demo/main.ui
@@ -49,7 +49,7 @@
             <property name="can_focus">False</property>
             <property name="action_name">win.run</property>
             <style>
-              <class name="image-button"/>
+              <class name="text-button"/>
             </style>
             <child>
               <object class="GtkLabel" id="run_label">