For building Rockbox Utility with Visual Studio some extra steps need to be
done. Visual Studio is also lacking some C99 standard headers. Add the missing
headers (from clang / msinttypes) and a Makefile to automate the extra steps.
See the README file for other requirements and necessary steps.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31407 a1c6a512-1295-4272-9138-f99709370657
