GitLab

Previously, flashrom -p serprog didnt notice a completely missing dev=
string on Windows. Also, the error message shown if no device name
followed contained a misleading "/dev/...".

Corresponding to flashrom svn r1908.
Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>