Fix memory leak in utils.bind
Fix memory leak in utils.bind

kaustavha/luvit,AndrewTsao/luvit,sousoux/luvit,boundary/luvit,AndrewTsao/luvit,sousoux/luvit,boundary/luvit,boundary/luvit,rjeli/luvit,AndrewTsao/luvit,DBarney/luvit,luvit/luvit,sousoux/luvit,GabrielNicolasAvellaneda/luvit-upstream,connectFree/lev,sousoux/luvit,rjeli/luvit,rjeli/luvit,bsn069/luvit,zhaozg/luvit,sousoux/luvit,connectFree/lev,rjeli/luvit,luvit/luvit,kaustavha/luvit,DBarney/luvit,bsn069/luvit,GabrielNicolasAvellaneda/luvit-upstream,DBarney/luvit,bsn069/luvit,sousoux/luvit,GabrielNicolasAvellaneda/luvit-upstream,zhaozg/luvit,kaustavha/luvit,GabrielNicolasAvellaneda/luvit-upstream,boundary/luvit,DBarney/luvit,boundary/luvit,boundary/luvit