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 rokov pred
..
dom	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
sax	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
transform	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
util	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred