git: sysctl: Expose sysctl lock

[Sepherosa Ziehau]

commit f2e8b1e8c8a1cd6cf91368d05d19ad2e7d4bc4ad
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Mon Mar 23 20:07:36 2015 +0800

    sysctl: Expose sysctl lock
    
    It will also be used by sysctl centric module like sensor.

Summary of changes:
 sys/kern/kern_lock.c   | 6 ++----
 sys/kern/kern_sysctl.c | 3 ---
 sys/sys/sysctl.h       | 7 +++++++
 3 files changed, 9 insertions(+), 7 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f2e8b1e8c8a1cd6cf91368d05d19ad2e7d4bc4ad


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