[seahorse] Fix compile error in seahorse_util.c

[Stefan Walter <stefw src gnome org>]

commit 5b5ac4bf6329972199fd4d447cbee41c481d7c10
Author: Matthias Ferdinand <mf 14v de>
Date:   Sun Aug 1 09:12:10 2010 +0200

    Fix compile error in seahorse_util.c
    
    For the declaration of mode_t, sys/types.h needs to be included.
    
    Fixes bug #625506

 libseahorse/seahorse-util.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libseahorse/seahorse-util.c b/libseahorse/seahorse-util.c
index 9afb942..3db56b3 100644
--- a/libseahorse/seahorse-util.c
+++ b/libseahorse/seahorse-util.c
@@ -48,6 +48,8 @@
 #include <errno.h>
 #include <glib/gi18n.h>
 
+#include <sys/types.h>
+
 static const gchar *bad_filename_chars = "/\\<>|";
 
 /**