[seed] [os] Also use canonicalize_file_name in os.realpath

[Tim Horton <hortont src gnome org>]

commit cb2a4316ccf6c7fc923bbc9ccde1072d83b1e994
Author: Tim Horton <hortont svn gnome org>
Date:   Thu Jul 16 16:55:27 2009 -0400

    [os] Also use canonicalize_file_name in os.realpath

 modules/os/seed-os.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/modules/os/seed-os.c b/modules/os/seed-os.c
index 4b93a56..17050be 100644
--- a/modules/os/seed-os.c
+++ b/modules/os/seed-os.c
@@ -36,14 +36,14 @@ seed_os_realpath (SeedContext ctx,
 	          SeedException * exception)
 {
   gchar *arg;
-  gchar ret[PATH_MAX];
+  gchar *ret;
 
   if (argument_count != 1)
     {
       EXPECTED_EXCEPTION("os.realpath", "1 argument");
     }
   arg = seed_value_to_string (ctx, arguments[0], exception);
-  realpath(arg, ret);
+  ret = canonicalize_file_name(arg);
   g_free (arg);
 
   return seed_value_from_string (ctx, ret, exception);