[gnome-calendar] calendar: Always initialize color

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

commit 1c39e501f60399b957e2df218b37ea764cd678e3
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Oct 9 12:35:22 2019 -0300

    calendar: Always initialize color

 src/core/gcal-calendar.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/core/gcal-calendar.c b/src/core/gcal-calendar.c
index 1e68d2c8..82917245 100644
--- a/src/core/gcal-calendar.c
+++ b/src/core/gcal-calendar.c
@@ -387,6 +387,9 @@ gcal_calendar_class_init (GcalCalendarClass *klass)
 static void
 gcal_calendar_init (GcalCalendar *self)
 {
+  GcalCalendarPrivate *priv = gcal_calendar_get_instance_private (self);
+
+  gdk_rgba_parse (&priv->color, "#ffffff");
 }
 
 /**