Fix another broken file attachment field.
Fix another broken file attachment field.

There was one more admin field for file attachments that was using an old
name. Now fixed.

Khan/reviewboard,brennie/reviewboard,1tush/reviewboard,custode/reviewboard,bkochendorfer/reviewboard,Khan/reviewboard,beol/reviewboard,sgallagher/reviewboard,Khan/reviewboard,davidt/reviewboard,custode/reviewboard,atagar/ReviewBoard,beol/reviewboard,bkochendorfer/reviewboard,chazy/reviewboard,reviewboard/reviewboard,chazy/reviewboard,brennie/reviewboard,chipx86/reviewboard,chazy/reviewboard,KnowNo/reviewboard,davidt/reviewboard,chazy/reviewboard,atagar/ReviewBoard,bkochendorfer/reviewboard,bkochendorfer/reviewboard,reviewboard/reviewboard,atagar/ReviewBoard,1tush/reviewboard,custode/reviewboard,atagar/ReviewBoard,sgallagher/reviewboard,Khan/reviewboard,reviewboard/reviewboard,KnowNo/reviewboard,1tush/reviewboard,atagar/ReviewBoard,beol/reviewboard,brennie/reviewboard,chazy/reviewboard,1tush/reviewboard,atagar/ReviewBoard,reviewboard/reviewboard,KnowNo/reviewboard,1tush/reviewboard,1tush/reviewboard,Khan/reviewboard,davidt/reviewboard,chipx86/reviewboard,chazy/reviewboard,Khan/reviewboard,custode/reviewboard,Khan/reviewboard,Khan/reviewboard,chipx86/reviewboard,KnowNo/reviewboard,sgallagher/reviewboard,Khan/reviewboard,chazy/reviewboard,chazy/reviewboard,chazy/reviewboard,atagar/ReviewBoard,chipx86/reviewboard,1tush/reviewboard,davidt/reviewboard,1tush/reviewboard,atagar/ReviewBoard,brennie/reviewboard,beol/reviewboard,1tush/reviewboard,atagar/ReviewBoard,sgallagher/reviewboard