[gnome-music] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 8d8a74dee918af82ef089f216d75cb7821c49096
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Aug 16 18:30:04 2016 +0200

    Update POTFILES.in

 po/POTFILES.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index dee82c7..75b27bc 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -24,6 +24,7 @@ gnomemusic/window.py
 [type: gettext/glade]data/app-menu.ui
 [type: gettext/glade]data/ArtistAlbumsWidget.ui
 [type: gettext/glade]data/headerbar.ui
+[type: gettext/glade]data/help-overlay.ui
 [type: gettext/glade]data/NoMusic.ui
 [type: gettext/glade]data/PlayerToolbar.ui
 [type: gettext/glade]data/PlaylistControls.ui