[gnome-control-center] Fix a11y/keynav issues in display panel

[Matthias Clasen <matthiasc src gnome org>]

commit d29d6a395eb62418a3015a995ef8063e8cf158fc
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 15 14:03:26 2011 -0400

    Fix a11y/keynav issues in display panel
    
    The Rotation label had a mnemonic, but no suitable mnemonic
    widget set up.
    
    Part of bug 650132

 panels/display/display-capplet.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/panels/display/display-capplet.ui b/panels/display/display-capplet.ui
index d73c73b..2533e10 100644
--- a/panels/display/display-capplet.ui
+++ b/panels/display/display-capplet.ui
@@ -154,6 +154,7 @@
                             <property name="visible">True</property>
                             <property name="xalign">0</property>
                             <property name="label" translatable="yes">R_otation:</property>
+                            <property name="mnemonic_widget">rotation_combo</property>
                             <property name="use_underline">True</property>
                           </object>
                           <packing>