[Midnightbsd-cvs] src: subr_log.c: Switch to mutex over spin lock and add partial support

[laffer1 at midnightbsd.org]

Log Message:
-----------
Switch to mutex over spin lock and add partial support for kqueue

Modified Files:
--------------
    src/sys/kern:
        subr_log.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/sys/kern/subr_log.c?r1=1.1.1.1&r2=1.2)