GitLab

Windows is awkward. The win32 API does not support errno/strerror as one
might expect. Introduce a new msg_* function that alleviates the pain a bit
(my head still hurts very badly).

Corresponding to flashrom svn r1659.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>