Upgrade to clamav 0.90.2 makes scanning extremely slow

[Jens Ahlin]

<snip>
>
> We had this too. Uninstalling clamav* and installing it again helped.
>
> -arto
>

Tried this, 1 server seems to be ok now. I'll have to investigate this
further. The 2 servers that I felt got a performance hit are quite old and
maybe they have been running at this pace for a long time :)

Thanks,

     Jens