[gimp] app: fix warning in gimp_edit_paste()

[Michael Natterer <mitch src gnome org>]

commit fa94ab03cae9c2fd823b869a1e862195fce50938
Author: Michael Natterer <mitch gimp org>
Date:   Wed Sep 21 00:09:38 2016 +0200

    app: fix warning in gimp_edit_paste()
    
    gimp_image_add_layer()'s "parent" parameter is a layer.

 app/core/gimp-edit.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/core/gimp-edit.c b/app/core/gimp-edit.c
index 4430772..7b6e69a 100644
--- a/app/core/gimp-edit.c
+++ b/app/core/gimp-edit.c
@@ -393,7 +393,7 @@ gimp_edit_paste (GimpImage     *image,
        */
       gimp_image_add_layer (image, layer,
                             GIMP_IS_LAYER (drawable) ?
-                            gimp_item_get_parent (GIMP_ITEM (drawable)) :
+                            GIMP_LAYER (gimp_item_get_parent (GIMP_ITEM (drawable))) :
                             NULL,
                             -1, TRUE);
       break;