[gimp/gimp-attributes-wip] plug-ins: attributes: handle locale<->utf-8

[Hartmut Kuhse <hartmutkuhse src gnome org>]

commit c324d6ff5f977998274c628da167b54e96847249
Author: Hartmut Kuhse <hk_priv gmx de>
Date:   Fri Oct 10 09:58:28 2014 +0200

    plug-ins: attributes: handle locale<->utf-8

 plug-ins/common/attributes.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/common/attributes.c b/plug-ins/common/attributes.c
index b9a8144..4d60a26 100644
--- a/plug-ins/common/attributes.c
+++ b/plug-ins/common/attributes.c
@@ -501,7 +501,10 @@ attributes_dialog_set_attributes (GimpAttributes *attributes,
       tag_sorted = gimp_attribute_get_sortable_name (attribute);
       value      = gimp_attribute_get_interpreted_string (attribute);
 
-      value_utf = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
+      if (! g_utf8_validate (value, -1, NULL))
+        value_utf = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
+      else
+        value_utf = g_strdup (value);
 
       parent = attributes_get_parent (type, ifd);