Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Add __FBSDID to all .c files in dhclient to aid in determining fileversions when dealing with user problems.
This commit was generated by cvs2svn to compensate for changes in r147072,which included commits to RCS files with non-trunk default branches.
Import the OpenBSD dhclient as shipped with OpenBSD-3.7 (the tagOPENBSD_3_7).