[gimp] Issue #1340 - Critical when editing input controllers

[Michael Natterer <mitch src gnome org>]

commit 0961ccf75472bf5922b0c1af9e98c5f3cd44aafb
Author: Michael Natterer <mitch gimp org>
Date:   Thu Jun 28 09:34:19 2018 +0200

    Issue #1340 - Critical when editing input controllers
    
    Don't pass a NULL widget to gimp_controller_list_edit_clicked().
    Spotted by Massimo.

 app/widgets/gimpcontrollerlist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/app/widgets/gimpcontrollerlist.c b/app/widgets/gimpcontrollerlist.c
index 1e47528632..01bfacbaa7 100644
--- a/app/widgets/gimpcontrollerlist.c
+++ b/app/widgets/gimpcontrollerlist.c
@@ -541,7 +541,7 @@ gimp_controller_list_add_clicked (GtkWidget          *button,
 
   gimp_container_view_select_item (GIMP_CONTAINER_VIEW (list->dest),
                                    GIMP_VIEWABLE (info));
-  gimp_controller_list_edit_clicked (NULL, list);
+  gimp_controller_list_edit_clicked (list->edit_button, list);
 }
 
 static void