[gucharmap] gucharmap: Fix --help output

[Christian Persch <chpe src gnome org>]

commit 91abf0c3a15b2e69bf9d8b11367708f88bc9ea26
Author: Christian Persch <chpe gnome org>
Date:   Mon Mar 18 12:36:28 2013 +0100

    gucharmap: Fix --help output

 gucharmap/main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gucharmap/main.c b/gucharmap/main.c
index 839b3dc..0725ee7 100644
--- a/gucharmap/main.c
+++ b/gucharmap/main.c
@@ -225,7 +225,7 @@ main (int argc, char **argv)
   /* Set programme name explicitly (see bug #653115) */
   g_set_prgname("gucharmap");
 
-  if (!gtk_init_with_args (&argc, &argv, "", goptions, GETTEXT_PACKAGE, &error))
+  if (!gtk_init_with_args (&argc, &argv, NULL, goptions, GETTEXT_PACKAGE, &error))
     {
       g_printerr ("%s\n", error->message);
       g_error_free (error);