plan9port/src/cmd/col.c, branch patch

plan9port/src/cmd/col.c, branch patch Plan 9 from User Space (with patches) col: import from plan 9, by popular demand 2014-10-21T00:41:41+00:00 Russ Cox rsc@swtch.com 2014-10-21T00:41:41+00:00 72197f89d47444e3c62e1aa0df8bd7059c29104d TBR=rsc https://codereview.appspot.com/158240043

TBR=rsc
https://codereview.appspot.com/158240043