Update upsilon_3_payload.c

used to complile "upsilon", the "mingw-w64" project is a complete runtime environment for gcc to support binaries native to Windows 64-bit and 32-bit operating systems. It is provided under the Zope Public License (ZPL) Version 2.1, available from http://sourceforge.net/projects/mingw-w64/ (maintained by Kai Tietz and assc.)