Fixes PHP error 

When adding a feed there is no result.
Warning: Invalid argument supplied for foreach() in /nfs/c08/h04/mnt/123433/domains/new.kurasie.com/html/fof-db.php on line 1559
Merge pull request #15 from iantearle/master

Fixes PHP error
Merge branch 'master' of https://github.com/plaidfluff/Feed-on-Feeds