Announcing the first 64-bit Windows gfortran binaries

[François-Xavier Coudert]

> Why is "32" in the name, if this is purely 64-bit?  I have Windows xp64
> only at my office, where our network policy prevents remote access to
> Windows machines, so it may be a few days before I test.

I'm not too sure myself. Apparently, the goal is to have mingw as
platform name in the future (and not variants such as mingw32 or
mingw64), but for now, mingw and mingw32 are both in use:

http://www.nabble.com/Renaming-mingw64-to-mingw*-for-x86_64-architecure-tf2845722.html#a8232304

FX