Skip empty trailing if/switch branches.
Skip empty trailing if/switch branches.

flimzy/gopherjs,roth1002/gopherjs,nmfzone/gopherjs,govlas/gopherjs,jargv/gopherjs,albrow/gopherjs,gopherjs/gopherjs,bpowers/gopherjs,gopherjs/gopherjs,jargv/gopherjs,Yanjing123/gopherjs,rasata/gopherjs,ebroder/gopherjs,gopherjs/gopherjs,albrow/gopherjs,govlas/gopherjs,albrow/gopherjs,roth1002/gopherjs,bpowers/gopherjs,rasata/gopherjs,flimzy/gopherjs,jeremyschlatter/gopherjs,ebroder/gopherjs,bpowers/gopherjs,Yanjing123/gopherjs,Archs/gopherjs,rasata/gopherjs,nmfzone/gopherjs,govlas/gopherjs,jeremyschlatter/gopherjs,gopherjs/gopherjs,Archs/gopherjs,gopherjs/gopherjs,jargv/gopherjs,Yanjing123/gopherjs,nmfzone/gopherjs,ebroder/gopherjs,flimzy/gopherjs,roth1002/gopherjs,Archs/gopherjs,jeremyschlatter/gopherjs