Update 'installer.sh'

installer.sh

@@ -383,7 +383,7 @@ mkdir -p /var/log/clamav
 mkdir -p /var/lib/clamav
 chown -R clamav:clamav /var/log/clamav
 chown -R clamav:clamav /var/lib/clamav
-#chmod 777 -R /var/lib/clamav
+chmod 775 -R /var/lib/clamav
 
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 #    Amavis    #