Fix a silly issue with 2352 byte sector reads in the cdrom code.
Fix a silly issue with 2352 byte sector reads in the cdrom code.

Thanks to Multimedia Mike at DCEmulation for noticing that it wasn't working (http://dcemulation.org/phpBB/viewtopic.php?p=1035273#p1035273).

DreamcastSDK/kos,DreamcastSDK/kos,DreamcastSDK/kos