[file-roller] Fixed crash when using the --extract-to option

[Paolo Bacchilega <paobac src gnome org>]

commit a094eab661ce1c5cf414dd836bf893fdfedc08ee
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Wed Nov 14 08:48:54 2012 +0100

    Fixed crash when using the --extract-to option
    
    [bug #686321]

 src/main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 1eb2e65..539ddfa 100644
--- a/src/main.c
+++ b/src/main.c
@@ -850,7 +850,7 @@ fr_application_command_line (GApplication            *application,
 
 	_g_object_unref (default_directory);
 	_g_object_unref (add_to_archive);
-	g_free (extraction_destination);
+	_g_object_unref (extraction_destination);
 
 	return fr_application_command_line_finished (application, EXIT_SUCCESS);
 }