[gnome-photos] application: Silence valgrind spew from gegl_init

[Debarshi Ray <debarshir src gnome org>]

commit e3cdad7e73f63fa97df6938c2b5b32fd9d93d232
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Oct 6 15:59:46 2015 +0200

    application: Silence valgrind spew from gegl_init
    
    ... by adding a matching call to gegl_exit in the shutdown method.

 src/photos-application.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-application.c b/src/photos-application.c
index e91667b..b78b2fa 100644
--- a/src/photos-application.c
+++ b/src/photos-application.c
@@ -777,6 +777,7 @@ photos_application_shutdown (GApplication *application)
 {
   PhotosApplication *self = PHOTOS_APPLICATION (application);
 
+  gegl_exit ();
   tracker_extract_priority_call_clear_rdf_types (self->priv->extract_priority,
                                                  NULL,
                                                  photos_application_tracker_clear_rdf_types,