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 éve
..
Service.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
ServiceConfigurationError.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
Unsafe.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
Unsafe.java	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
natUnsafe.cc	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve