6423713 checkproto doesn't work on ON anymore

[mike.kup...@sun.com]

Author: kupfer
Repository: /hg/onnv/onnv-gate
Revision: cc26eb34c40afb74e1b43c39517f8341a8c6d4cd
Log message:
6423713 checkproto doesn't work on ON anymore

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