tty.c:tty_start() - Fix strcmp() foobar from f6f2895, must use strncmp()
tty.c:tty_start() - Fix strcmp() foobar from f6f2895, must use strncmp()

Signed-off-by: Joachim Nilsson <583c295fd7602c168ad814279bbc3894ba65f5d6@gmail.com>

troglobit/finit,troglobit/finit,westermo/finit,westermo/finit