time: fix Plan 9 build for new API
I had to move readFile into sys_$GOOS.go
since syscall.Open takes only two arguments
on Plan 9.
R=lucio.dere, rsc, alex.brainman
CC=golang-dev
https://golang.org/cl/5447061
diff --git a/src/pkg/time/sleep.go b/src/pkg/time/sleep.go
index 844d964..b4680db 100644
--- a/src/pkg/time/sleep.go
+++ b/src/pkg/time/sleep.go
@@ -4,6 +4,9 @@
package time
+// Sleep pauses the current goroutine for the duration d.
+func Sleep(d Duration)
+
func nano() int64 {
sec, nsec := now()
return sec*1e9 + int64(nsec)
