K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2013-12-13T20:54:45.168451Z
K 7
svn:log
V 113
rlimit: avoid unnecessary copying of rlimits

If refcount is 1 just modify rlimits in place.

MFC after:	2 weeks

END