Add missing 'break's.
Add missing 'break's.

Remove redundant settings in function that creates reference chapter track.

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