kevans 6f98eb6488 wc(1): account for possibility of file == NULL
file could reasonably be NULL here if we we're using stdin. Albeit less
likely in normal usage, one could actually hit either of these warnings on
stdin.

ubmitted by:	sigsys@gmail.com
MFC after:	3 days
2020-02-05 14:00:27 +00:00
..
2018-11-12 17:47:51 +00:00
2019-12-11 17:37:53 +00:00