Just call the instance with the row data, not the arg items as it's not needed for those particular classes.  It can't open the constructor.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2373 71f96598-fa45-0410-b640-bcd6f8691b32
Fix the pending mac list so it only shows hosts with pending macs and their relevant pending mac.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2374 71f96598-fa45-0410-b640-bcd6f8691b32