Implement runtime.NumCgoCall()
Implement runtime.NumCgoCall()

We fake a cgo environment to catch errors. Therefor we have to implement this and always return 0. Packages compiled with +build cgo will expect it.
gopherjs/gopherjs,bpowers/gopherjs,gopherjs/gopherjs,gopherjs/gopherjs,albrow/gopherjs,bpowers/gopherjs,jargv/gopherjs,albrow/gopherjs,albrow/gopherjs,gopherjs/gopherjs,jargv/gopherjs,jargv/gopherjs,bpowers/gopherjs,gopherjs/gopherjs