fix bug for fmf version 1 introduced in r580
fix bug for fmf version 1 introduced in r580

git-svn-id: 96a9e1f63fd31b9cb6d9a08c2fb0c3edb56635d7@600 9608957c-362e-0410-90bb-ddb82fccb57f

motmot/flymovieformat,motmot/flymovieformat,motmot/flymovieformat