[nwam-dev] code review for 10840

[Anurag S. Maskey]

code review requested for

       10840 automatic location switching does not work
       http://defect.opensolaris.org/bz/show_bug.cgi?id=10840

       
http://zhadum.east/export/ws/am223141/checkout-area/nwam1-fixes/webrev/

fix involves setting the socklen_t argument for icfg_get_addr() to 
sizeof(struct sockaddr_in{,6}) depending on the family. 

Thanks,
Anurag