nnesse/minwin-gcc-5-2: A patched gcc 5.2 enabling a new 'minwin' target that does not link to the Microsoft C library.

Niels Nesse eb72d50f44 Import gcc 5.2.0 from tarball		9 lat temu
..
decc$types.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
if.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
resolv.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
setjmp.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
signal.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
stdio.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
string.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
wait.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu