Fix module.load usage

Makes CJS module loading work

Author: TimothyGu

lib/internal/loader/resolveRequestUrl.js

@@ -84,8 +84,8 @@ class CJSModuleRequest {
       const CJSModule = require('module');
       debug(`Loading CJSModule ${this.url.pathname}`);
       const cjs = new CJSModule(this.url.pathname, process.mainModule);
-      const exports = cjs.load(this.url.pathname);
-      reflect.exports.default.set(exports);
+      cjs.load(this.url.pathname);
+      reflect.exports.default.set(cjs.exports);
     });
     return ctx.module;
   }