node: Fix cpp namespace build error
node: Fix cpp namespace build error

https://github.com/nwjs/node/commit/4cee08267165f2222f5998d94711e207b86ec0b0

nwjs/nw.js,nwjs/nw.js,nwjs/nw.js,nwjs/nw.js,nwjs/nw.js,nwjs/nw.js