[zfs-code] More lock init/destroy.

[eric kustarz]

Pawel Jakub Dawidek wrote:
> Hi.
> 
> The patch below contains more {mutex,rw,cv}_{init,destroy} cleanups:
> 
>       http://people.freebsd.org/~pjd/opensolaris/09.patch

Filed this guy:
6502263 ZFS needs some more FreeBSD porting love

to make sure we don't forget.  Thanks for all the hard work!

eric