Log Message:
update clamav to 0.86.1.

changes since 0.85.1:

Thu Jun 23 23:13:41 CEST 2005
-----------------------------
  V 0.86.1
    - libclamav/mspack/qtmd.c: fix possible crash (tk)
      Reported by Andrew Toller <atoller*connectfree.co.uk>
      and Stefan Kanthak <stefan.kanthak*fujitsu-siemens.com>

Sun Jun 19 21:37:07 CEST 2005
-----------------------------
  V 0.86
    - libclamav/mspack/cabd.c: fix possible infinite loop (tk)
    - libclamav/cvd.c: fix potential directory traversal in cvd unpacker (a low
      risk problem since all databases are digitally signed). Pointed out by
      Florian Weimer <fw*deneb.enyo.de> (tk)
    - libclamav/zziplib/zzip-file.c: add method id for AES encrypted archives
      (thanks to David Majorel <dm*lagoon.nc>) (tk)
    - clamscan/manager.c: better message on zip/rar unpacking error (tk)
    - libclamav/mbox.c: Fix mishandling of fast track uuencoded files (njh)
    - clamav-milter: Better error message if the white-list file can't be
      opened (njh)
    - clamav-milter: When loading a new database when not in external mode,
      keep scanning with the old one rather than hold up incoming mails while
      waiting for clamav-milter to become idle then reloading the database (njh)
    - libclamav/others.c: print warnings and errors in single call to write
      (thanks to Denis Vlasenko <vda*ilport.com.ua>) (tk)
    - clamscan/others.c: enable REG_EXTENDED in match_regex (tk)
    - libclamav/scanners.c: fix file descriptor leaks if cli_msexpand() returns
      an error in cli_scanszdd, patch by Mark Pizzolato (tk)
    - libclamav/scanners.c: fix file descriptor leak in error path (out of mem)
      in cli_scangzip(), patch by Mark Pizzolato (tk)
    - clamd/scanner.c: fix error path for a read timeout which logged messages
      indicating that both a timeout and a poll error occurred (patch by Mark
      Pizzolato <clamav-devel*subscriptions.pizzolato.net>) (tk)
    - libclamav:  Extract TNEF files even when the filename isn't known,
      problem reported by John Miller (contact*glideslopesoftware.co.uk) (njh)