logos: Don't print a blank line when process exits.

Before:
GSAFSJ1412D0117# echo testing | logos testfacility
GSAFSJ1412D0117# dmesg | grep testfacility
[ 2194.480329] testfacility: testing
[ 2194.480356] testfacility:
GSAFSJ1412D0117#

GSAFSJ1412D0117# echo -n | logos testfacility
GSAFSJ1412D0117# dmesg | grep testfacility
[12366.425968] testfacility:
GSAFSJ1412D0117#

After:
GSAFSJ1412D0117# echo testing | /tmp/logos testfacility
GSAFSJ1412D0117# dmesg | grep testfacility
[ 2211.275520] testfacility: testing
GSAFSJ1412D0117#

GSAFSJ1412D0117# echo -n | /tmp/logos testfacility
GSAFSJ1412D0117# dmesg | grep testfacility
GSAFSJ1412D0117#

Change-Id: Iae5aa6c141f2597454931f07b167a759e060f626
1 file changed