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
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arm	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
ia64	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
linux	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
mingw	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
posix	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
powerpc	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred
x86	eb72d50f44 Import gcc 5.2.0 from tarball	9 rokov pred