[nwam-dev] check return value when destroying all objects with "destroy -a"

[anurag.mas...@sun.com]

Author: Anurag S. Maskey <Anurag.Maskey at Sun.COM>
Repository: /hg/nwam/nwam1
Latest revision: 9b98e80bcf5c869b34696f7311d31b5cb7a2bd8b
Total changesets: 1
Log message:
check return value when destroying all objects with "destroy -a"

Files:
        update: usr/src/cmd/cmd-inet/usr.sbin/nwamcfg/nwamcfg.c