[gimp] app: don't set the same GFile again in gimp_imagefile_set_file()

[Michael Natterer <mitch src gnome org>]

commit 83f69aa9fb337beafd5b54f283ab8dd22967ac70
Author: Michael Natterer <mitch gimp org>
Date:   Sun Jul 13 19:13:11 2014 +0200

    app: don't set the same GFile again in gimp_imagefile_set_file()
    
    I don't think this can happen, but better safe than sorry.

 app/core/gimpimagefile.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/app/core/gimpimagefile.c b/app/core/gimpimagefile.c
index d4330e6..4e4d6da 100644
--- a/app/core/gimpimagefile.c
+++ b/app/core/gimpimagefile.c
@@ -341,8 +341,11 @@ gimp_imagefile_set_file (GimpImagefile *imagefile,
   g_return_if_fail (GIMP_IS_IMAGEFILE (imagefile));
   g_return_if_fail (file == NULL || G_IS_FILE (file));
 
-  gimp_object_take_name (GIMP_OBJECT (imagefile),
-                         file ? g_file_get_uri (file) : NULL);
+  if (GET_PRIVATE (imagefile)->file != file)
+    {
+      gimp_object_take_name (GIMP_OBJECT (imagefile),
+                             file ? g_file_get_uri (file) : NULL);
+    }
 }
 
 GimpThumbnail *