Use modern initializer syntax instead of comments
Use modern initializer syntax instead of comments

Summary: Modern C allows us to document this kind of thing using C and not comments.

Reviewed By: adamjernst

Differential Revision: D3698569

fbshipit-source-id: c92b18540140662979cf001aeedaa76504c6a3ac

facebook/css-layout,rmarinho/yoga,rmarinho/yoga,yihuang/css-layout,rmarinho/yoga,yihuang/css-layout,rmarinho/yoga,facebook/yoga,facebook/yoga,facebook/yoga,yihuang/css-layout,yihuang/css-layout,facebook/css-layout,facebook/css-layout,facebook/yoga,yihuang/css-layout,facebook/css-layout,facebook/yoga,rmarinho/yoga,yihuang/css-layout,yihuang/css-layout,rmarinho/yoga,rmarinho/yoga,facebook/yoga,rmarinho/yoga,rmarinho/yoga,yihuang/css-layout,facebook/yoga,facebook/yoga,facebook/css-layout,facebook/css-layout,yihuang/css-layout,facebook/yoga,facebook/css-layout,facebook/yoga,facebook/css-layout,facebook/css-layout,yihuang/css-layout,rmarinho/yoga