[Mimedefang] Virus scanner order in v2.40

[Royce Williams]

Aaron Paetznick wrote:

> initialize_virus_scanner_routines() defines a certain order of scanners, 
> with File::Scan being first.  For people who run ClamAV, it might be 
> slightly more efficient to list clamd first before File::Scan, and the 
> impact to non-ClamAV users would be zero.  Thoughts?

Since File::Scan is already loaded by MIMEDefang, it runs without having
to call an external program.  Without having any actual stats at hand,
it seems reasonable to conclude that you get a lot of bang for the buck
by having File::Scan make the first pass.

-royce

-- 
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Royce D. Williams                                    IP Engineering, ACS
work: [first.last]@acsalaska.net                  PGP: 3FC087DB/1776A531
personal: [first]@alaska.net                 http://www.tycho.org/royce/