src: Fix nwjs/nw.js#7041: quote command line arguments under POSIX
src: Fix nwjs/nw.js#7041: quote command line arguments under POSIX

https://github.com/nwjs/chromium.src/commit/c2a83cb64e164f0585eab6eb75e1e1659e6b0329

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