FIX: track_of_int -> track_get_number && cd_track_offset -> cd_track_current_time
FIX: track_of_int -> track_get_number && cd_track_offset -> cd_track_current_time

fccm/OCamlSDL1,fccm/OCamlSDL1,ocamlsdl/OCamlSDL,ocamlsdl/OCamlSDL,fccm/OCamlSDL1,fccm/OCamlSDL1,ocamlsdl/OCamlSDL