[gnome-calendar] e-cal-data-model: fix event with no end-date

[Erick Pérez Castellanos <erickpc src gnome org>]

commit e58959d851e2fa1f0c5bcf49ce66631c203e15c0
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Mon Dec 8 11:33:44 2014 -0500

    e-cal-data-model: fix event with no end-date
    
    Google Calendar set no end-date on events with 0 sec duration time. We
    need to make the corner case work.

 src/e-cal-data-model.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/e-cal-data-model.c b/src/e-cal-data-model.c
index 43da454..2fb09f7 100644
--- a/src/e-cal-data-model.c
+++ b/src/e-cal-data-model.c
@@ -48,6 +48,8 @@ cal_comp_get_instance_times (ECalClient *client,
 
        start_time = icalcomponent_get_dtstart (icalcomp);
        end_time = icalcomponent_get_dtend (icalcomp);
+       if (icaltime_is_null_time (end_time))
+         end_time = start_time;
 
        if (start_time.zone) {
                zone = start_time.zone;