[gnome-calendar] window: use gcal_clear_datetime

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

commit 1d8993d450d816c78646750f5e1d10c1564349cc
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sun Mar 5 20:30:08 2017 -0300

    window: use gcal_clear_datetime
    
    We have our own macro to make the code a little bit
    more pleasant to read, let's just use it.

 src/gcal-window.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/gcal-window.c b/src/gcal-window.c
index 7a0cbf0..8548f06 100644
--- a/src/gcal-window.c
+++ b/src/gcal-window.c
@@ -382,8 +382,8 @@ update_active_date (GcalWindow   *window,
 
       gcal_manager_set_subscriber (window->manager, E_CAL_DATA_MODEL_SUBSCRIBER (window->year_view), 
range_start, range_end);
 
-      g_clear_pointer (&date_start, g_date_time_unref);
-      g_clear_pointer (&date_end, g_date_time_unref);
+      gcal_clear_datetime (&date_start);
+      gcal_clear_datetime (&date_end);
     }
 
   /* month_view */
@@ -397,8 +397,8 @@ update_active_date (GcalWindow   *window,
 
       gcal_manager_set_subscriber (window->manager, E_CAL_DATA_MODEL_SUBSCRIBER (window->month_view), 
range_start, range_end);
 
-      g_clear_pointer (&date_start, g_date_time_unref);
-      g_clear_pointer (&date_end, g_date_time_unref);
+      gcal_clear_datetime (&date_start);
+      gcal_clear_datetime (&date_end);
     }
 
   /* week_view */
@@ -423,8 +423,8 @@ update_active_date (GcalWindow   *window,
 
       gcal_manager_set_subscriber (window->manager, E_CAL_DATA_MODEL_SUBSCRIBER (window->week_view), 
range_start, range_end);
 
-      g_clear_pointer (&date_start, g_date_time_unref);
-      g_clear_pointer (&date_end, g_date_time_unref);
+      gcal_clear_datetime (&date_start);
+      gcal_clear_datetime (&date_end);
     }
 
   update_today_button_sensitive (window);