remuxer: Don't write L-SMASH indicator when enabling movie fragments.
remuxer: Don't write L-SMASH indicator when enabling movie fragments.

Fix the placement of 'mfro' at the end of file.

l-smash/l-smash,mstorsjo/l-smash,maki-rxrz/L-SMASH,dwbuiten/l-smash,silverfilain/L-SMASH,l-smash/l-smash,canbal/l-smash,canbal/l-smash,l-smash/l-smash,silverfilain/L-SMASH,mstorsjo/l-smash,maki-rxrz/L-SMASH,silverfilain/L-SMASH,dwbuiten/l-smash