[gnome-calendar] week-grid: use a proper function to queue redraw

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

commit c33d8203873056ac451ab2d08ac31e4666a0fb12
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Mar 14 20:17:46 2017 -0300

    week-grid: use a proper function to queue redraw
    
    Same as 97698ad1c913 for the Week grid.

 src/views/gcal-week-grid.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/src/views/gcal-week-grid.c b/src/views/gcal-week-grid.c
index d59e123..8f23991 100644
--- a/src/views/gcal-week-grid.c
+++ b/src/views/gcal-week-grid.c
@@ -440,6 +440,14 @@ get_today_column (GcalWeekGrid *self)
 }
 
 static gboolean
+on_redraw_timeout_cb (gpointer data)
+{
+  gtk_widget_queue_draw (data);
+
+  return G_SOURCE_CONTINUE;
+}
+
+static gboolean
 gcal_week_grid_draw (GtkWidget *widget,
                      cairo_t   *cr)
 {
@@ -605,7 +613,7 @@ gcal_week_grid_draw (GtkWidget *widget,
   if (self->redraw_timeout_id == 0)
     {
       self->redraw_timeout_id = g_timeout_add_seconds (5,
-                                                       (GSourceFunc) gtk_widget_queue_draw,
+                                                       on_redraw_timeout_cb,
                                                        self);
     }