[evolution-data-server/wip/mcrha/libical-glib] Handle recurring forever better at e_cal_util_get_component_occur_times()

[Milan Crha <mcrha src gnome org>]

commit c2b81ab3515fe062fc17b29c17f5d4ecfd978293
Author: Milan Crha <mcrha redhat com>
Date:   Wed Apr 17 15:24:11 2019 +0200

    Handle recurring forever better at e_cal_util_get_component_occur_times()

 src/calendar/libecal/e-cal-util.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/calendar/libecal/e-cal-util.c b/src/calendar/libecal/e-cal-util.c
index 1316f955c..cef07e73f 100644
--- a/src/calendar/libecal/e-cal-util.c
+++ b/src/calendar/libecal/e-cal-util.c
@@ -1954,8 +1954,10 @@ e_cal_util_get_component_occur_times (ECalComponent *comp,
                                        tt = i_cal_time_add (e_cal_component_period_get_start (period), 
e_cal_component_period_get_duration (period));
                                        rdate_end = i_cal_time_as_timet (tt);
                                        g_object_unref (tt);
-                               } else {
+                               } else if (e_cal_component_period_get_end (period)) {
                                        rdate_end = i_cal_time_as_timet (e_cal_component_period_get_end 
(period));
+                               } else {
+                                       rdate_end = (time_t) -1;
                                }
 
                                if (rdate_end == -1) /* repeats forever */