K 10
svn:author
V 6
mjacob
K 8
svn:date
V 27
2013-02-25T14:06:24.721399Z
K 7
svn:log
V 168
Don't try and negotiate sync mode if either period or offset are zero.

PR:		kern/163064
Partially Submitted by:	Peter <pmc@citylink.dinoex.sub.org>
MFC after:	1 month

END