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 gadi atpakaļ
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coi	eb72d50f44 Import gcc 5.2.0 from tarball	9 gadi atpakaļ
myo	eb72d50f44 Import gcc 5.2.0 from tarball	9 gadi atpakaļ