8849 libresolv2: remove rcsid
Reviewed by: Yuri Pankov <yuripv@gmx.com>
Reviewed by: Gary Mills <gary_mills@fastmail.fm>
Approved by: Dan McDonald <danmcd@joyent.com>

6936684 libresolv2 update breaks users of _res
6908650 ifconfig can't configure static ip address if dns before files in nsswitch.conf

6289479 libresolv2 clean up and alignment with libbind.6.0

OpenSolaris Launch