[nautilus] search-popover: fix mnemonics usage

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit e8391ba02dfad9829a3bc55fd06819f93af16820
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Feb 17 18:08:06 2016 +0100

    search-popover: fix mnemonics usage
    
    Forgot to add the use_underline property.

 src/resources/ui/nautilus-search-popover.ui |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/resources/ui/nautilus-search-popover.ui b/src/resources/ui/nautilus-search-popover.ui
index 2337a46..72fd99d 100644
--- a/src/resources/ui/nautilus-search-popover.ui
+++ b/src/resources/ui/nautilus-search-popover.ui
@@ -196,6 +196,7 @@
                     <property name="can_focus">True</property>
                     <property name="receives_default">False</property>
                     <property name="xalign">0</property>
+                    <property name="use_underline">True</property>
                     <property name="active">True</property>
                     <property name="draw_indicator">True</property>
                     <signal name="toggled" handler="search_time_type_changed" object="NautilusSearchPopover" 
swapped="no" />
@@ -212,6 +213,7 @@
                     <property name="can_focus">True</property>
                     <property name="receives_default">False</property>
                     <property name="xalign">0</property>
+                    <property name="use_underline">True</property>
                     <property name="draw_indicator">True</property>
                     <property name="group">last_modified_button</property>
                     <signal name="toggled" handler="search_time_type_changed" object="NautilusSearchPopover" 
swapped="no" />