[recipes] Avoid a crash on fresh installs

[Matthias Clasen <matthiasc src gnome org>]

commit 21a02c67c1e8bcf0598b93c691fcac21fadd216b
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Feb 12 16:24:38 2017 -0500

    Avoid a crash on fresh installs
    
    We were trying, but failing, to avoid creating a chef dialog
    with a NULL chef. I've never seen this crash because my own
    chef is in the preinstalled data.

 src/gr-window.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/gr-window.c b/src/gr-window.c
index 84cf323..8cf498f 100644
--- a/src/gr-window.c
+++ b/src/gr-window.c
@@ -701,7 +701,8 @@ gr_window_show_my_chef_information (GrWindow *window)
 
         if (id != NULL && id[0] != '\0')
                 chef = gr_recipe_store_get_chef (store, id);
-        else
+
+        if (chef == NULL)
                 chef = gr_chef_new ();
 
         window->chef_dialog = (GtkWidget *)gr_chef_dialog_new (chef, FALSE);