Fixed bracket-less if statement, added comment for later review. 
Fixed bracket-less if statement, added comment for later review. 

Possible issue on some systems if PhysicalDisk0 returns an invalid handle, 
we end up with an empty dict for iostats. Seems to be the case on my 
VM system and needs further investigating.


git-svn-id: 9f18dd852162ff6c59c5533c0914e9cf81af9e7c@1234 d8a29897-7e4b-0410-a74a-8bb4c295346f

hybridlogic/psutil,hybridlogic/psutil,hybridlogic/psutil