[Distutils] Mingw32 section of 'Installing' manual

[Andrew Kuchling]

There's a section on building extensions for Cygwin/MinGW32.

http://www.python.org/dev/doc/devel/inst/tweak-flags.html#SECTION000622000000000000000

Is all the material in this section still up-to-date and relevant?

--amk