Fixed -set-track-id bug - cf #401
Fixed -set-track-id bug - cf #401

emmanouil/gpac,ARSekkat/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac,rauf/gpac,emmanouil/gpac,porcelijn/gpac,rauf/gpac,gpac/gpac,rbouqueau/gpac_brew_travis,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac_brew_travis,gpac/gpac,aymanelyaagoubi/gpac,rbouqueau/gpac,emmanouil/gpac,gpac/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac_brew_travis,emmanouil/gpac,RodolpheFouquet/gpac,ARSekkat/gpac,gpac/gpac,aymanelyaagoubi/gpac,rbouqueau/gpac_brew_travis,RodolpheFouquet/gpac,emmanouil/gpac,rbouqueau/gpac,gpac/gpac,porcelijn/gpac,RodolpheFouquet/gpac,nguyen-viet-thanh-trung/gpac,ARSekkat/gpac,aymanelyaagoubi/gpac,ARSekkat/gpac,rbouqueau/gpac_brew_travis,porcelijn/gpac,gpac/gpac,porcelijn/gpac,gpac/gpac,RodolpheFouquet/gpac,rauf/gpac,RodolpheFouquet/gpac,rbouqueau/gpac,rbouqueau/gpac,rbouqueau/gpac,rauf/gpac,nguyen-viet-thanh-trung/gpac,emmanouil/gpac,rbouqueau/gpac,porcelijn/gpac,aymanelyaagoubi/gpac,porcelijn/gpac,aymanelyaagoubi/gpac,RodolpheFouquet/gpac,aymanelyaagoubi/gpac,rauf/gpac,ARSekkat/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac_brew_travis,gpac/gpac,rbouqueau/gpac,rauf/gpac,ARSekkat/gpac