add channel buffering to fix die

libkeybase.go

@@ -88,6 +88,7 @@ func (a *apiPrimitive) _start(args ...string) (err error) {
 		return
 	}
 	// buffer the I/O channels
+	a.die = make(chan bool, 1)
 	a.Input = make(chan string, a.opts.ChannelCapacity)
 	a.Output = make(chan string, a.opts.ChannelCapacity)
 	// now we need to start a select where anything in the channel goes to stdin