by the first call to dns_dispatch_getudp(), subsecquent calls can raise the maximum number of buffers. dns_dispatchmgr_setudp() could be made public. Tidy dispatch_allocate(). entropy and mctx are now gone from dns_qid_t.
by the first call to dns_dispatch_getudp(), subsecquent calls can raise the maximum number of buffers. dns_dispatchmgr_setudp() could be made public. Tidy dispatch_allocate(). entropy and mctx are now gone from dns_qid_t.