[gnome-calendar] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 3b93b4309f626206d25b31e58bf3920e73bbfaa9
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Apr 11 15:48:56 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 c102c14..6fa6536 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -22,6 +22,7 @@ src/views/gcal-year-view.c
 src/gcal-application.c
 src/gcal-date-selector.c
 src/gcal-edit-dialog.c
+src/gcal-event-widget.c
 src/gcal-manager.c
 src/gcal-quick-add-popover.c
 src/gcal-search-view.c