Use GnuTLS-OpenSSL instead of OpenSSL. Thanks to Zhenech for help with this patch.

src/core/common/avatarmanager.cpp

@@ -26,7 +26,7 @@
 #include <boost/filesystem.hpp>
 #include <boost/lambda/lambda.hpp>
 #include <boost/algorithm/string/predicate.hpp>
-#include <openssl/md5.h>
+#include <core/openssl_wrapper.h>
 
 #include <fstream>
 #include <cstring>

src/core/common/crypthelper.cpp

@@ -20,7 +20,7 @@
 #include "crypthelper.h"
 
 
-#include <openssl/md5.h>
+#include <core/openssl_wrapper.h>
 #include <cstring>
 #include <cstdio>
 

src/core/openssl_wrapper.h

@@ -0,0 +1,38 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Lothar May                                      *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 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 General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+/* Wrapper for GnuTLS openssl include. Needed for Windows compatibility. */
+
+#ifndef _OPENSSL_WRAPPER_H_
+#define _OPENSSL_WRAPPER_H_
+
+#ifndef HAVE_SSIZE_T
+# define HAVE_SSIZE_T
+#include <sys/types.h>
+#if (defined _WIN32) && (!defined ssize_t)
+	typedef int ssize_t; // This is only for Windows. Supports only Win32.
+#endif
+#endif
+
+#ifdef X509_NAME
+	#undef X509_NAME // Again for Windows - conflict with WinCrypt.h.
+#endif
+
+#include <gnutls/openssl.h>
+
+#endif