[Midnightbsd-cvs] src: UPDATING: Document zlib 1.2.4 update

[laffer1 at midnightbsd.org]

Log Message:
-----------
Document zlib 1.2.4 update

Modified Files:
--------------
    src:
        UPDATING (r1.86 -> r1.87)
        (http://cvsweb.midnightbsd.org/src/UPDATING?r1=1.86&r2=1.87)