Here's a patch that enables building the gui and cli.exe files on Visual Studio
2008.  I found that if I used the WinMain entry point, another command-window
would open during the spawnv, so I updated the entry point.  This may cause
problems with gui.exe which I have not tested.

The added batch file "msvc-build-launcher.cmd" will compile 32- and 64-bit
versions of each executable.

I'll be attaching the files I built.  They're more than 10x the size of the
other files, so any suggestions on making them smaller would be appreciated.