[gedit] gedit-window: Add mnemonic for Open button

[Paolo Borelli <pborelli src gnome org>]

commit 89f17ceffd85966c6d8d98c534dc93585cd5e30f
Author: Lasse Schuirmann <lasse schuirmann gmail com>
Date:   Fri Aug 15 12:46:50 2014 +0200

    gedit-window: Add mnemonic for Open button
    
    https://bugzilla.gnome.org/show_bug.cgi?id=734846

 gedit/resources/ui/gedit-window.ui |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gedit/resources/ui/gedit-window.ui b/gedit/resources/ui/gedit-window.ui
index 30a1323..e61d557 100644
--- a/gedit/resources/ui/gedit-window.ui
+++ b/gedit/resources/ui/gedit-window.ui
@@ -51,7 +51,8 @@
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkLabel" id="open_button_name">
-                        <property name="label" translatable="yes">Open</property>
+                        <property name="label" translatable="yes">_Open</property>
+                        <property name="use-underline">True</property>
                         <property name="visible">True</property>
                         <property name="valign">baseline</property>
                       </object>