Fix leak of AFfilesetup.
Fix leak of AFfilesetup.

Distrotech/audiofile,fabzzap/audiofile,Distrotech/audiofile,eriser/audiofile,mpruett/audiofile,eriser/audiofile,Distrotech/audiofile,mpruett/audiofile,mpruett/audiofile,eriser/audiofile,fabzzap/audiofile,fabzzap/audiofile