handleDupeNZBFileNeedsDownload sometimes won't set a filename when a duplicate is found. avoid identifyPar'ing when no filename is set (thanks munkee)
handleDupeNZBFileNeedsDownload sometimes won't set a filename when a duplicate is found.
avoid identifyPar'ing when no filename is set
(thanks munkee)

git-svn-id: 83da0ac6f29971f322a07cce10fdfd58b53908d1@785 2efe2221-f5e4-0310-9a2e-dd64ea3c545c

ShaneMcC/hellanzb,ShaneMcC/hellanzb