[gnome-boxes] props-page-widget: Allow mnemonics in description labels

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 8eb09a91ac79f8f082264139ee02566182d0d5fd
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Fri Aug 7 13:25:27 2015 +0100

    props-page-widget: Allow mnemonics in description labels
    
    Allow description label to have mnemonic for associated widget.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=731971

 src/properties-page-widget.vala |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/properties-page-widget.vala b/src/properties-page-widget.vala
index 42a66e1..e644263 100644
--- a/src/properties-page-widget.vala
+++ b/src/properties-page-widget.vala
@@ -48,7 +48,7 @@ private class Boxes.PropertiesPageWidget: Gtk.Box {
             int current_row = 1;
             foreach (var property in properties) {
                 if (property.description != null) {
-                    var label_name = new Gtk.Label (property.description);
+                    var label_name = new Gtk.Label.with_mnemonic (property.description);
                     label_name.get_style_context ().add_class ("boxes-property-name-label");
                     label_name.halign = property.description_alignment;
                     label_name.hexpand = false;
@@ -56,6 +56,7 @@ private class Boxes.PropertiesPageWidget: Gtk.Box {
                     var widget = property.widget;
                     widget.hexpand = true;
                     grid.attach (widget, 1, current_row, 1, 1);
+                    label_name.mnemonic_widget = widget;
                 } else {
                     var widget = property.widget;
                     widget.hexpand = true;