[evolution-ews] Fix few memory leaks in e_cal_backend_ews_rid_to_index()

[Milan Crha <mcrha src gnome org>]

commit 6f6bb4983f6dda30fb804d22a3df920a89bcbd5a
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jun 28 09:30:39 2019 +0200

    Fix few memory leaks in e_cal_backend_ews_rid_to_index()

 src/calendar/e-cal-backend-ews-utils.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/calendar/e-cal-backend-ews-utils.c b/src/calendar/e-cal-backend-ews-utils.c
index 5f68ec5e..5781524f 100644
--- a/src/calendar/e-cal-backend-ews-utils.c
+++ b/src/calendar/e-cal-backend-ews-utils.c
@@ -2091,9 +2091,9 @@ e_cal_backend_ews_rid_to_index (ICalTimezone *timezone,
                                GError **error)
 {
        guint index = 1;
-       ICalProperty *prop = i_cal_component_get_first_property (comp, I_CAL_RRULE_PROPERTY);
-       ICalRecurrence *rrule = i_cal_property_get_rrule (prop);
-       ICalTime *dtstart = i_cal_component_get_dtstart (comp);
+       ICalProperty *prop;
+       ICalRecurrence *rrule;
+       ICalTime *dtstart;
        ICalRecurIterator *ritr;
        ICalTime *next, *o_time;