[gimp] libgimp: always return a pixbuf from gimp_image_metadata_rotate_pixbuf()

[Michael Natterer <mitch src gnome org>]

commit 7f5d360329e6c3c16c06a28b8613b21dee215212
Author: Michael Natterer <mitch gimp org>
Date:   Thu Jun 5 20:38:38 2014 +0200

    libgimp: always return a pixbuf from gimp_image_metadata_rotate_pixbuf()
    
    For "no rotation" return a reference of the original, instead of NULL.

 libgimp/gimpmetadata.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libgimp/gimpmetadata.c b/libgimp/gimpmetadata.c
index bea9e6d..b3dd0ea 100644
--- a/libgimp/gimpmetadata.c
+++ b/libgimp/gimpmetadata.c
@@ -644,6 +644,7 @@ gimp_image_metadata_rotate_pixbuf (GdkPixbuf         *pixbuf,
     {
     case GEXIV2_ORIENTATION_UNSPECIFIED:
     case GEXIV2_ORIENTATION_NORMAL:  /* standard orientation, do nothing */
+      rotated = g_object_ref (pixbuf);
       break;
 
     case GEXIV2_ORIENTATION_HFLIP: