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 lat temu
..
ChangeLog	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
Make-lang.in	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
config-lang.in	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
lang-specs.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
objcp-decl.c	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
objcp-decl.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
objcp-lang.c	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu