afp: fix leak of AfpHandle::tmp_filename
afp: fix leak of AfpHandle::tmp_filename

gicmo/gvfs,xkahn/gvfs-cmis,gicmo/gvfs,philipl/gvfs,xkahn/gvfs-cmis,gicmo/gvfs,philipl/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,halfline/gvfs,philipl/gvfs,halfline/gvfs,gicmo/gvfs,halfline/gvfs