[sudo-users] sudo_edit.c:296: macro `timespecsub' used with too many (3) args

[Todd C. Miller]

It looks like BSD/OS's timespecsub takes 2 arguments instead of 3
like some other implementations.  If you edit sudo_edit.c and
visudo.c and remove the 3rd argument to timespecsub() it should be
fine.

 - todd