[evolution-data-server/wip/mcrha/libical-glib] Do not free objects returned from i_cal_time_get_timezone()

[Milan Crha <mcrha src gnome org>]

commit e537fa2213b8bdecfd929cc79c274c35447a1a1e
Author: Milan Crha <mcrha redhat com>
Date:   Tue Apr 9 11:55:56 2019 +0200

    Do not free objects returned from i_cal_time_get_timezone()

 src/calendar/libecal/e-cal-util.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/calendar/libecal/e-cal-util.c b/src/calendar/libecal/e-cal-util.c
index 1e00a50c0..27ac4120c 100644
--- a/src/calendar/libecal/e-cal-util.c
+++ b/src/calendar/libecal/e-cal-util.c
@@ -1682,7 +1682,6 @@ check_first_instance_cb (ICalComponent *icalcomp,
 
                rid = i_cal_time_from_timet_with_zone (i_cal_time_as_timet (instance_start), 
i_cal_time_is_date (dtstart), zone);
 
-               g_clear_object (&zone);
                g_clear_object (&dtstart);
        }