[gnome-calendar] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 1b2a1397f218a9e53026881aa471b2ee73e549b0
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Oct 7 01:35:50 2017 +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 12e4081..1e32062 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -7,6 +7,7 @@ data/ui/alarm-row.ui
 data/ui/edit-dialog.ui
 data/ui/help-overlay.ui
 data/ui/menus.ui
+data/ui/month-view.ui
 data/ui/quick-add-popover.ui
 data/ui/search-view.ui
 data/ui/source-dialog.ui