EAC3 importer: Fix 10L of forgetting to update buffer size.
EAC3 importer: Fix 10L of forgetting to update buffer size.

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