"MinGW-w64 - for 32 and 64 bit Windows" - review the broken link is needed

[Micheus]

The link in the Readme in the line #44 needs to be replaced by the one bellow:

cl/README

Line 44 in 9d75a8d

http://sourceforge.net/apps/trac/mingw-w64/wiki/Answer%2064%20bit%20MSVC-generated%20x64%20.lib

https://sourceforge.net/p/mingw-w64/wiki2/Answer%2064%20bit%20MSVC-generated%20x64%20.lib/