[gimp] app: Make 'Overwrite foo.png' work

[Martin Nordholts <martinn src gnome org>]

commit c4601b298dd0fe26837f9a59cf0a18ed70db89c8
Author: Martin Nordholts <martinn src gnome org>
Date:   Sun Jul 5 09:09:12 2009 +0200

    app: Make 'Overwrite foo.png' work
    
    In File -> Overwrite, we need to use the import source as the export
    URI since there is no explicit export target given yet.

 app/actions/file-commands.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/app/actions/file-commands.c b/app/actions/file-commands.c
index 5bf626a..cbc8b66 100644
--- a/app/actions/file-commands.c
+++ b/app/actions/file-commands.c
@@ -288,7 +288,14 @@ file_save_cmd_callback (GtkAction *action,
         GimpPlugInProcedure *export_proc;
 
         uri = g_object_get_data (G_OBJECT (image),
-                                       GIMP_FILE_EXPORT_TO_URI_KEY);
+                                 GIMP_FILE_EXPORT_TO_URI_KEY);
+
+        if (!uri)
+          {
+            uri = g_object_get_data (G_OBJECT (image),
+                                     GIMP_FILE_IMPORT_SOURCE_URI_KEY);
+          }
+
         if (uri)
           {
             export_proc =