shell: fixed weird bug
shell: fixed weird bug

Ignore '\0' character reads by getchar(). This is a weird bug that appeared
following some changes in the memory...

That's strange.

Signed-off-by: Fabien Parent <2a93cde040adee823a667eed2882d05f12a84573@gmail.com>

mtitinger/phabos,mtitinger/phabos