Update update_hyperion.sh
Update update_hyperion.sh

Fixed incorrect openelec variable reference

Former-commit-id: f594935c9a6a2f1818dd3acfdb0fddfac6ad76cb
penfold42/hyperion.ng,Funatiq/hyperion.ng,ntim/hyperion,redPanther/hyperion.ng,Funatiq/hyperion.ng,ntim/hyperion,Funatiq/hyperion.ng,ntim/hyperion,hyperion-project/hyperion,Funatiq/hyperion.ng,Funatiq/hyperion.ng,hyperion-project/hyperion.ng,penfold42/hyperion.ng,ntim/hyperion,redPanther/hyperion.ng,Funatiq/hyperion.ng,penfold42/hyperion.ng,redPanther/hyperion.ng,ntim/hyperion,ntim/hyperion,hyperion-project/hyperion.ng,hyperion-project/hyperion,hyperion-project/hyperion.ng,penfold42/hyperion.ng,redPanther/hyperion.ng,redPanther/hyperion.ng,hyperion-project/hyperion,hyperion-project/hyperion,hyperion-project/hyperion.ng,hyperion-project/hyperion,penfold42/hyperion.ng,penfold42/hyperion.ng,hyperion-project/hyperion,redPanther/hyperion.ng,hyperion-project/hyperion.ng,hyperion-project/hyperion.ng