[gnome-calendar] week-header: fix drawing stray lines when managing events

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit d294ea46a568352366a537c615fa6083b6550c61
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed May 24 17:27:07 2017 -0300

    week-header: fix drawing stray lines when managing events

 src/views/gcal-week-header.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/views/gcal-week-header.c b/src/views/gcal-week-header.c
index 9d10841..d4bdd33 100644
--- a/src/views/gcal-week-header.c
+++ b/src/views/gcal-week-header.c
@@ -1487,6 +1487,11 @@ gcal_week_header_init (GcalWeekHeader *self)
 
   gtk_widget_init_template (GTK_WIDGET (self));
 
+  /* This is to avoid stray lines when adding and removing events */
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+  gtk_container_set_reallocate_redraws (GTK_CONTAINER (self), TRUE);
+G_GNUC_END_IGNORE_DEPRECATIONS
+
   /* Setup the week header as a drag n' drop destination */
   gtk_drag_dest_set (GTK_WIDGET (self),
                      0,