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
..
decimal128.c	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal128.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal128Local.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal128Symbols.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal32.c	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal32.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal32Symbols.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal64.c	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal64.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
decimal64Symbols.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve