Looking for an old patch

[Worsley, Tim]

Many years ago, I ran across a patch that replaces the linked list structure for ISC DHCP lease pools with a binary tree.  Looking at the latest source code, I still see:

(mdb.c / supersede_lease)
        /* Remove the lease from its current place in its current
           timer sequence. */
        /* XXX this is horrid. */
        prev = (struct lease *)0;
        for (lp = *lq; lp; lp = lp -> next) {
                if (lp == comp)
                        break;
                prev = lp;
        }

So it never made it back into the mainline, which is fine.  Can anyone point me to it?  Google has let me down.

Thanks,

--Tim
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