[recipes] Fix a refcounting error

[Matthias Clasen <matthiasc src gnome org>]

commit f6617e22095f3fab30ebfa7efd23edb471f005ff
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 18 18:46:29 2017 -0500

    Fix a refcounting error
    
    We can't use an autoptr if we don't have our own reference.
    
    This was loosing a reference, causing criticals when cleaning
    up the store at exit.

 src/gr-chef-dialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gr-chef-dialog.c b/src/gr-chef-dialog.c
index b8fd8c2..9c3a468 100644
--- a/src/gr-chef-dialog.c
+++ b/src/gr-chef-dialog.c
@@ -287,7 +287,7 @@ static void
 gr_chef_dialog_set_chef (GrChefDialog *self,
                          GrChef       *chef)
 {
-        g_autoptr(GrChef) old_chef = self->chef;
+        GrChef *old_chef = self->chef;
 
         revert_changes (self);