Clear current line before starting built-in getty
Clear current line before starting built-in getty

When logging out from the shell, e.g. with Ctrl-D, artifacts from that
session may remain on the current line.  This patch makes sure to clear
up that line before issuing a newline and starting the built-in getty.

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

troglobit/finit,troglobit/finit