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
..
utf16	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
utf8	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
casetables.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
digit.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
digit_test.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
graphic.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
graphic_test.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
letter.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
letter_test.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
script_test.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve
tables.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 éve