Core/Dependency: Upgrade G3d-library to v8.0-release (patched version!)

Note: Due to issues with G3D (normally requiring X11 and the ZIP-library),
the sourcetree version contains a modified version. The applied patch is
commited to the repository for future reference.

--HG--
branch : trunk

dep/g3dlite/include/G3D/netheaders.h

@@ -0,0 +1,24 @@
+#ifndef G3D_netheaders_h
+#define G3D_netheaders_h
+
+#include "G3D/platform.h"
+
+#ifdef G3D_WIN32
+#   if (G3D_WINSOCK_MAJOR_VERSION == 2)
+#       include <winsock2.h>
+#   elif (G3D_WINSOCK_MAJOR_VERSION == 1)
+#       include <winsock.h>
+#   endif
+#else
+#   include <sys/types.h>
+#   include <sys/socket.h>
+#   include <netinet/in.h>
+#   ifndef SOCKADDR_IN
+#       define SOCKADDR_IN struct sockaddr_in
+#   endif
+#   ifndef SOCKET
+#       define SOCKET int
+#   endif
+#endif
+
+#endif