[gnome-desktop] wallclock: Don't update clock for non-clock settings changes

[Bastien Nocera <hadess src gnome org>]

commit 2a748875a47614b853f24965b258636f9b49401a
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Apr 5 14:40:46 2017 +0200

    wallclock: Don't update clock for non-clock settings changes
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780861

 libgnome-desktop/gnome-wall-clock.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/libgnome-desktop/gnome-wall-clock.c b/libgnome-desktop/gnome-wall-clock.c
index f5c9d0a..28c51e9 100644
--- a/libgnome-desktop/gnome-wall-clock.c
+++ b/libgnome-desktop/gnome-wall-clock.c
@@ -381,6 +381,12 @@ on_schema_change (GSettings *schema,
                   const char *key,
                   gpointer user_data)
 {
+       if (g_strcmp0 (key, "clock-format") != 0 &&
+           g_strcmp0 (key, "clock-show-seconds") != 0 &&
+           g_strcmp0 (key, "clock-show-date") != 0) {
+               return;
+       }
+
        g_debug ("Updating clock because schema changed");
        update_clock (user_data);
 }