fix discovery to remove include_dir function. ignore -32768 values returned for sensors. build rrd graphs via pipe.

git-svn-id: http://www.observium.org/svn/observer/trunk@2493 61d68cd4-352d-0410-923a-c4978735b2b8

includes/discovery/mempools/hp-procurve.inc.php

@@ -1,7 +1,5 @@
 <?php
 
-global $valid_mempool;
-
 #NETSWITCH-MIB::hpLocalMemSlotIndex.1 = INTEGER: 1
 #NETSWITCH-MIB::hpLocalMemSlabCnt.1 = Counter32: 3966
 #NETSWITCH-MIB::hpLocalMemFreeSegCnt.1 = Counter32: 166
@@ -41,4 +39,4 @@ if (is_array($array))
   unset($array);
 }
 
-?>
+?>