acorn-to-esprima: fix ExportNamedDeclaration, closes #48
acorn-to-esprima: fix ExportNamedDeclaration, closes #48

babel/babel-eslint,monstrs-forks/babel-eslint,hzoo/babel-eslint,achicu/babel-eslint,tav/mu-eslint,bryanrsmith/babel-eslint,leebyron/babel-eslint,alexkuz/babel-eslint