* config/w32/mingw32.cf
% -mno-cygwin options removed. No longer needed. If someone
wants to compile a mingw build using cygwin, this option
should be explicitly specified as C_USR/L_USR and 'gcc'
should be used as a compiler. But this setup is barely
supported in Harbour, so don't expect it work.
(Rather, install MinGW)