Code style changes.
Code style changes.

Apply feedback from
https://github.com/gopherjs/gopherjs/pull/286#issuecomment-136149556.

nmfzone/gopherjs,bpowers/gopherjs,govlas/gopherjs,jargv/gopherjs,flimzy/gopherjs,Yanjing123/gopherjs,Archs/gopherjs,govlas/gopherjs,jargv/gopherjs,gopherjs/gopherjs,bpowers/gopherjs,flimzy/gopherjs,albrow/gopherjs,nmfzone/gopherjs,flimzy/gopherjs,gopherjs/gopherjs,jargv/gopherjs,nmfzone/gopherjs,Yanjing123/gopherjs,Archs/gopherjs,albrow/gopherjs,gopherjs/gopherjs,gopherjs/gopherjs,bpowers/gopherjs,Yanjing123/gopherjs,gopherjs/gopherjs,Archs/gopherjs,govlas/gopherjs,albrow/gopherjs