fix GPAC_DISABLE_VRML CC @jeanlf can you please review and fix if necessary?
fix GPAC_DISABLE_VRML
CC @jeanlf can you please review and fix if necessary?

gpac/gpac,rauf/gpac,ARSekkat/gpac,Bevara/Access-open,aymanelyaagoubi/gpac,aymanelyaagoubi/gpac,rbouqueau/gpac,ARSekkat/gpac,vladimir-kazakov/gpac,rauf/gpac,emmanouil/gpac,ARSekkat/gpac,rauf/gpac,nguyen-viet-thanh-trung/gpac,gpac/gpac,Bevara/Access-open,gpac/gpac,gpac/gpac,rbouqueau/gpac,RodolpheFouquet/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac,rbouqueau/gpac,rbouqueau/gpac_brew_travis,vladimir-kazakov/gpac,aymanelyaagoubi/gpac,rbouqueau/gpac_brew_travis,rbouqueau/gpac,vladimir-kazakov/gpac,nguyen-viet-thanh-trung/gpac,aymanelyaagoubi/gpac,Bevara/Access-open,RodolpheFouquet/gpac,porcelijn/gpac,vladimir-kazakov/gpac,RodolpheFouquet/gpac,porcelijn/gpac,emmanouil/gpac,rbouqueau/gpac,gpac/gpac,gpac/gpac,nguyen-viet-thanh-trung/gpac,emmanouil/gpac,rauf/gpac,ARSekkat/gpac,ARSekkat/gpac,porcelijn/gpac,porcelijn/gpac,porcelijn/gpac,rauf/gpac,emmanouil/gpac,Bevara/Access-open,porcelijn/gpac,RodolpheFouquet/gpac,RodolpheFouquet/gpac,gpac/gpac,rbouqueau/gpac_brew_travis,rbouqueau/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis,vladimir-kazakov/gpac,emmanouil/gpac,nguyen-viet-thanh-trung/gpac,RodolpheFouquet/gpac,aymanelyaagoubi/gpac,aymanelyaagoubi/gpac,rbouqueau/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis,rbouqueau/gpac_brew_travis,emmanouil/gpac,vladimir-kazakov/gpac,nguyen-viet-thanh-trung/gpac,ARSekkat/gpac,rauf/gpac,gpac/gpac