The change to make column use roundup(x, TAB) rounded things to the current tab, however the code it replaced wanted to round to the next TAB. Consequently things like this:
The change to make column use roundup(x, TAB) rounded things to the
current tab, however the code it replaced wanted to round to the
next TAB. Consequently things like this:

	( echo 1 ; echo 2 ) | column

cause column to loop indefinitely. This patch is slightly different
from the one Gary submitted, but is closer to the original code.

Submitted by:	Gary Cody <gary@lyranthe.org>
MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase