[gcab] gcab: add missing directory argument hint

[Marc-Andre Lureau <malureau src gnome org>]

commit ba9f41387db4eea44f29b2d347b27eb09d60d1fb
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Fri Jan 18 01:40:38 2013 +0100

    gcab: add missing directory argument hint

 gcab.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gcab.c b/gcab.c
index ef0a62e..846ffc7 100644
--- a/gcab.c
+++ b/gcab.c
@@ -85,7 +85,7 @@ main (int argc, char *argv[])
         { "create", 'c', 0, G_OPTION_ARG_NONE, &create, N_("Create archive"), NULL },
         { "extract", 'x', 0, G_OPTION_ARG_NONE, &extract, N_("Extract all files"), NULL },
         { "list", 't', 0, G_OPTION_ARG_NONE, &list, N_("List content"), NULL },
-        { "directory", 'C', 0, G_OPTION_ARG_FILENAME, &change, N_("Change to directory"), NULL },
+        { "directory", 'C', 0, G_OPTION_ARG_FILENAME, &change, N_("Change to directory DIR"), N_("DIR") },
         { "zip", 'z', 0, G_OPTION_ARG_NONE, &compress, N_("Use zip compression"), NULL },
         { "nopath", 'n', 0, G_OPTION_ARG_NONE, &nopath, N_("Do not include path"), NULL },
         { G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &args, NULL, N_("FILE INPUT_FILES...") },