[gnome-disk-utility] Mark missing string for translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 338b6cb05a4c1ddf0cd6b36890eac34fe27a8da5
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Aug 11 23:06:16 2018 +0200

    Mark missing string for translation

 src/disks/ui/about-dialog.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/disks/ui/about-dialog.ui b/src/disks/ui/about-dialog.ui
index 18fb68e7..c111710e 100644
--- a/src/disks/ui/about-dialog.ui
+++ b/src/disks/ui/about-dialog.ui
@@ -8,7 +8,7 @@
     <property name="modal">True</property>
     <property name="destroy_with_parent">True</property>
     <property name="type_hint">dialog</property>
-    <property name="program_name">Disks</property>
+    <property name="program_name" translatable="yes">Disks</property>
     <property name="copyright" translatable="yes">Copyright © 2008-2013 Red Hat, Inc.
 Copyright © 2008-2013 David Zeuthen
 Copyright © 2009-2017 The GNOME Project