Add Microsoft Windows support.

Update issue 62
Status: Feedback
Gleen, I slightly modified your patches to better stick with the style of the
rest of the project,  Can you please confirm that it does not break?

PR:		Issue 62
Submitted by:	glenn.ergeerts

config_windows.h.cmake

@@ -0,0 +1,33 @@
+/*-
+ * Copyright (C) 2011 Glenn Ergeerts.
+ * 
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * 
+ * $Id$
+ */
+
+#ifndef __CONFIG_WINDOWS_H__
+#define __CONFIG_WINDOWS_H__
+
+#include <winsock2.h>
+
+#define htole32(x) (x)
+#define le32toh(x) (x)
+#define le16toh(x) (x)
+#define htobe16(x) htons(x)
+#define be16toh(x) ntohs(x)
+
+#define ENOTSUP WSAEOPNOTSUPP
+
+#endif /* !__CONFIG_WINDOWS_H__ */