[tesla-dev] Fix usage, exit status, command line option

[rafael.van...@sun.com]

Author: rafael.vanoni at sun.com
Repository: /hg/tesla/powertop
Latest revision: abfd51222b22f5db07f9d386958355165e1984d1
Total changesets: 1
Log message:
Fix usage, exit status, command line option

Files:
        update: usr/src/cmd/powertop/powertop.c
        update: usr/src/cmd/powertop/powertop.h
        update: usr/src/cmd/powertop/util.c