6830663 webrev -n -U, but without -o, no longer works after 6820421

[mark.j.nel...@sun.com]

Author: Mark J. Nelson <Mark.J.Nelson at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: 7998251a4925c2b2fca916c5589a65b11e66fb78
Total changesets: 1
Log message:
6830663 webrev -n -U, but without -o, no longer works after 6820421

Files:
        update: usr/src/tools/scripts/webrev.sh