[file-roller] fixed crash when extracting from the extract dialog

[Paolo Bacchilega <paobac src gnome org>]

commit 6e1328e160c7a4bcc16145517ea730d4427fb0c7
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Aug 6 22:56:11 2012 +0200

    fixed crash when extracting from the extract dialog

 src/dlg-extract.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/dlg-extract.c b/src/dlg-extract.c
index 2fca793..5fabcb3 100644
--- a/src/dlg-extract.c
+++ b/src/dlg-extract.c
@@ -242,7 +242,7 @@ extract_cb (GtkWidget   *w,
 				   TRUE);
 
 	_g_string_list_free (file_list);
-	g_free (destination);
+	g_object_unref (destination);
 	g_free (base_dir);
 
 	return TRUE;