[gnome-panel] clock: fix -Werror=enum-conversion warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 5193f7ed10cdd43ce26b5c0851eb1514f1ab3e33
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Aug 26 16:33:25 2020 +0300

    clock: fix -Werror=enum-conversion warning

 modules/clock/calendar-client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/modules/clock/calendar-client.c b/modules/clock/calendar-client.c
index e1819f74d..da9f7453b 100644
--- a/modules/clock/calendar-client.c
+++ b/modules/clock/calendar-client.c
@@ -513,7 +513,7 @@ get_component_rid (ICalComponent *component)
   ICalTime *time;
   char *rid;
 
-  prop = i_cal_component_get_first_property (component, ICAL_RECURRENCEID_PROPERTY);
+  prop = i_cal_component_get_first_property (component, I_CAL_RECURRENCEID_PROPERTY);
   if (!prop)
     return NULL;