[evolution] cal_comp_get_instance_times: Workaround issue with no DTEND set

[Milan Crha <mcrha src gnome org>]

commit 18c7e5031c08141220a089a11171e6e5f330c5e2
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Tue Dec 9 15:50:19 2014 +0100

    cal_comp_get_instance_times: Workaround issue with no DTEND set

 calendar/gui/comp-util.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/calendar/gui/comp-util.c b/calendar/gui/comp-util.c
index 0bef22b..cd1732b 100644
--- a/calendar/gui/comp-util.c
+++ b/calendar/gui/comp-util.c
@@ -863,6 +863,10 @@ cal_comp_get_instance_times (ECalClient *client,
        start_time = icalcomponent_get_dtstart (icalcomp);
        end_time = icalcomponent_get_dtend (icalcomp);
 
+       /* Some event can have missing DTEND, then use the start_time for them */
+       if (icaltime_is_null_time (end_time))
+               end_time = start_time;
+
        if (start_time.zone) {
                zone = start_time.zone;
        } else {