[gnome-usage] quit-process-dialog: Mark a string for translation

[Piotr Drąg <piotrdrag src gnome org>]

commit b54eae2c0368fc3169c6275302b70e94366471f2
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Nov 6 18:42:09 2017 +0100

    quit-process-dialog: Mark a string for translation

 data/ui/quit-process-dialog.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/ui/quit-process-dialog.ui b/data/ui/quit-process-dialog.ui
index c247e76..858e51f 100644
--- a/data/ui/quit-process-dialog.ui
+++ b/data/ui/quit-process-dialog.ui
@@ -7,7 +7,7 @@
     <property name="resizable">False</property>
     <property name="message-type">question</property>
     <property name="text" translatable="yes" comments="Translators: This sentence is later suffixed with an 
application name. Example: 'Force Quit Videos?'">Force Quit %s?</property>
-    <property name="secondary-text">Unsaved work might be lost.</property>
+    <property name="secondary-text" translatable="yes">Unsaved work might be lost.</property>
 
     <child type="action">
       <object class="GtkButton" id="button_cancel">