[gnome-calendar/mcatanzaro/#485] Apply suggestion to src/utils/gcal-date-time-utils.c

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 4a127b7b9794aff1e92a13b959c5a0331afff2f1
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Feb 18 16:03:35 2020 +0000

    Apply suggestion to src/utils/gcal-date-time-utils.c

 src/utils/gcal-date-time-utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/utils/gcal-date-time-utils.c b/src/utils/gcal-date-time-utils.c
index 7555ec6c..ac2791be 100644
--- a/src/utils/gcal-date-time-utils.c
+++ b/src/utils/gcal-date-time-utils.c
@@ -249,7 +249,7 @@ gcal_timezone_to_icaltimezone (GTimeZone *tz)
   tzid = g_time_zone_get_identifier (tz);
   ical_tz = i_cal_timezone_get_builtin_timezone (tzid);
 
-  if (ical_tz == NULL)
+  if (!ical_tz)
     ical_tz = i_cal_timezone_get_utc_timezone ();
 
   return ical_tz;