[recipes] Don't leak the shell search provider

[Matthias Clasen <matthiasc src gnome org>]

commit a0c4bd44fe84887b5d4d215d1cf53c17e090124f
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 18 07:30:06 2017 -0500

    Don't leak the shell search provider

 src/gr-app.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/gr-app.c b/src/gr-app.c
index 0ec7e8d..0671504 100644
--- a/src/gr-app.c
+++ b/src/gr-app.c
@@ -49,6 +49,8 @@ gr_app_finalize (GObject *object)
         GrApp *self = GR_APP (object);
 
         g_clear_object (&self->store);
+        g_clear_object (&self->search_provider);
+
 
         G_OBJECT_CLASS (gr_app_parent_class)->finalize (object);
 }