Log Message:
Updated mail/clamav to 0.91.1

    - libclamav/others.c: bump f-level
    - libclamav/unrar/unrarvm.c: fix another occurrence of bb#555, thanks to
      Ludwig Nussel <ludwig.nussel*suse.de>
    - sigtool/sigtool.c: increase MAX_DEL_LOOKAHEAD, requested by Sven
    - libclamav/scanner.c: don't search for embedded PEs in zip files larger
      than 1 MB (bb#573)
    - clamav-milter: Fix memory leak when load balancing
    - clamav-milter: Chroot handling no longer marked as experimental
    - libclamav/nsis: fix macro collision on AIX - bb#570
    - libclamav/phishcheck.c: fix (null) FOUND
    - libclamav: rename x86 macroes due to collisions on HPUX
    - libclamav: Fix warnings on HP-UX