Removed GCC compilation warning : symbol main is reserved (renamed it nmain) + removed unused variable u32 meta
Removed GCC compilation warning : symbol main is reserved (renamed it nmain) + removed unused variable u32 meta

git-svn-id: ab66a9de07fa9d47c5829c82992f5279466c775f@2710 63c20433-aa62-49bd-875c-5a186b69a8fb

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