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 anni fa
..
cpp-id-data.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 anni fa
cpplib.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 anni fa
line-map.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 anni fa
mkdeps.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 anni fa
symtab.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 anni fa