add pixos detection

git-svn-id: http://www.observium.org/svn/observer/trunk@2950 61d68cd4-352d-0410-923a-c4978735b2b8

includes/discovery/os/pix.inc.php

@@ -0,0 +1,8 @@
+<?php
+
+if (!$os)
+{
+  if (preg_match("/^Cisco\ PIX/", $sysDescr)) { $os = "pixos"; }
+}
+
+?>

includes/static-config.php

@@ -234,7 +234,7 @@ $config['os'][$os]['over'][0]['text']   = "Device Traffic";
 $config['os'][$os]['over'][1]['graph']  = "device_processor";
 $config['os'][$os]['over'][1]['text']   = "CPU Usage";
 
-$os = "pix";
+$os = "pixos";
 $config['os'][$os]['group']             = "cisco";
 $config['os'][$os]['text']              = "Cisco PIX-OS";
 $config['os'][$os]['ifname']            = 1;