Add missing includes

THANKS

@@ -9,6 +9,7 @@ and giving good advise.
 Reto Bachmann-Gmuer <rebach@users.sourceforge.net>
 Adrian Bridgett
 Anthony Baxter <anthonybaxter@users.sourceforge.net>
+Dirk Arend <d.arend@avm.de>
 Luciano Bello <lbello@users.sourceforge.net>
 Vladimir Bormotov <bormotov@users.sourceforge.net>
 butchie55 <butchie55@users.sourceforge.net>
@@ -55,6 +56,7 @@ Tim Olsen <tim@brooklynpenguin.com>
 Joe Orton <joe@manyfish.co.uk>
 Panu Outinen <poutinen@users.sourceforge.net>
 Tero Pelander <tpeland2@users.sourceforge.net>
+Gauvain Pocentek <gauvain@ulteo.com>
 David Popeck <dpopeck@users.sourceforge.net>
 Sean Reifschneider <jafo@users.sourceforge.net>
 Sebastian Reitenbach <buzzdee@users.sourceforge.net>