namecache stage-2 patch for testing

[Matthew Dillon]

:
:Testing of NAMEI2.DIFF with compares of without.
:All of the testing without used kernel as of Sep 24.
:The testing was performed in this order on both occasions.
:
:-DR

    oops.  don't bother doing any performance comparisons, I blew 
    it somewhere.  My buildworld is geting slower and slower and sloowwwer
    :-).

    I'll take this up tomorrow and produce a new patch.

						-Matt