Backport a patch to fix the build of fdtdump with mingw, which so the
tools now build successfully with mingw.
(From OE-Core rev: 1bbbd69d9f1600f53737f2c459a08eae0d74a42c)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>