[gnome-calendar] year-view: fix subscriber callback

[Erick Pérez Castellanos <erickpc src gnome org>]

commit c62d808a35f9d9b8f51ed8b8e6f7a3d1d17e6b0f
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Tue Jan 20 00:34:22 2015 -0500

    year-view: fix subscriber callback
    
    GcalYearView::start_selected_date will always be started into something
    and comparing against zero no matters what returns will enter in one of
    the two categories
    Still before 3.16, this code should change.

 src/gcal-year-view.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/gcal-year-view.c b/src/gcal-year-view.c
index e04d9a8..59bc7bb 100644
--- a/src/gcal-year-view.c
+++ b/src/gcal-year-view.c
@@ -1057,7 +1057,7 @@ gcal_year_view_component_changed (ECalDataModelSubscriber *subscriber,
   GcalYearViewPrivate *priv = GCAL_YEAR_VIEW (subscriber)->priv;
   ECalComponentDateTime dtstart, dtend;
 
-  if (priv->update_sidebar_needed || priv->start_selected_date->day == 0)
+  if (priv->update_sidebar_needed)
     return;
 
   e_cal_component_get_dtstart (comp, &dtstart);
@@ -1066,6 +1066,7 @@ gcal_year_view_component_changed (ECalDataModelSubscriber *subscriber,
   /* FIXME: this implementation clear the sidebar are rebuild it
    * it should only add, what's new, and add it sorted in its position */
   /* XXX: implement using shift as data and GtkListBox sort_func */
+  /* XXX: comparing against zero is not reliable, but it can only result in TRUE */
   if (icaltime_compare_date_only (*(dtstart.value), *(priv->start_selected_date)) >= 0)
     priv->update_sidebar_needed = TRUE;
   else if (icaltime_compare_date_only (*(dtend.value), *(priv->end_selected_date)) <= 0)