[gvfs] afc: Extend translator comment

[Ondrej Holy <oholy src gnome org>]

commit af7c5516d3d1f4f38f28ee429c6ae568257fa4cc
Author: Ondrej Holy <oholy redhat com>
Date:   Thu Aug 11 08:07:51 2016 +0200

    afc: Extend translator comment
    
    It is not obvious that "Trust" is the caption of the button in the
    device and not in the GVfs.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769712

 daemon/gvfsbackendafc.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/daemon/gvfsbackendafc.c b/daemon/gvfsbackendafc.c
index 49c5908..e383415 100644
--- a/daemon/gvfsbackendafc.c
+++ b/daemon/gvfsbackendafc.c
@@ -640,7 +640,8 @@ g_vfs_backend_afc_mount (GVfsBackend *backend,
       {
         /* translators:
          * %s is the device name. 'Try again' is the caption of the button
-         * shown in the dialog which is defined above. */
+         * shown in the dialog which is defined above. 'Trust' is the caption
+         * of the button shown in the device. */
         message = g_strdup_printf (_("The device “%s” is not trusted yet. Select “Trust” on the device and 
click “Try again”."), display_name);
       }
     else