[gnome-calendar] event: refactor gcal_event_is_multiday

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 8a2376ae55b94d18807a6702709d586befc7b656
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Sep 14 14:05:53 2017 -0300

    event: refactor gcal_event_is_multiday

 src/gcal-event.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/src/gcal-event.c b/src/gcal-event.c
index e3dd041..789f67c 100644
--- a/src/gcal-event.c
+++ b/src/gcal-event.c
@@ -1545,16 +1545,15 @@ gcal_event_get_uid (GcalEvent *self)
 gboolean
 gcal_event_is_multiday (GcalEvent *self)
 {
-  GDateTime *end_date, *real_end_date;
+  g_autoptr (GDateTime) real_end_date = NULL;
   gboolean is_multiday;
   gint n_days;
 
   g_return_val_if_fail (GCAL_IS_EVENT (self), FALSE);
 
-  end_date = gcal_event_get_date_end (self);
-  real_end_date = g_date_time_add_seconds (end_date, -1);
-  is_multiday = FALSE;
+  real_end_date = g_date_time_add_seconds (gcal_event_get_date_end (self), -1);
   n_days = g_date_time_difference (real_end_date, self->dt_start) / G_TIME_SPAN_DAY;
+  is_multiday = FALSE;
 
   /*
    * An all-day event with only 1 day of time span is treated as a
@@ -1575,8 +1574,6 @@ gcal_event_is_multiday (GcalEvent *self)
       is_multiday = TRUE;
     }
 
-  g_clear_pointer (&real_end_date, g_date_time_unref);
-
   return is_multiday;
 }