[easytag] Fix a memory leak when saving an Ogg file

[David King <davidk src gnome org>]

commit 5167916b5ba9bfd4f7b01bc8ae0372aa6af5a344
Author: David King <amigadave amigadave com>
Date:   Sun Dec 14 13:54:24 2014 +0000

    Fix a memory leak when saving an Ogg file

 src/tags/ogg_tag.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/tags/ogg_tag.c b/src/tags/ogg_tag.c
index 29e7fbe..dcb282c 100644
--- a/src/tags/ogg_tag.c
+++ b/src/tags/ogg_tag.c
@@ -1064,6 +1064,8 @@ ogg_tag_write_file_tag (const ET_File *ETFile,
         vcedit_clear (state);
     }
 
+    g_object_unref (file);
+
     g_assert (error == NULL || *error == NULL);
     return TRUE;
 }