os: remove unused import to fix build

Change-Id: Ia8c1c77590115a5ffda144962436d489ed77a423
Reviewed-on: https://go-review.googlesource.com/18227
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/os/pipe_test.go b/src/os/pipe_test.go
index 2f5b5d99c3469c673e654a9f66e525f2d230a504..82b792eac499b04293ec460f5d61f763d802e4ec 100644 (file)
--- a/src/os/pipe_test.go
+++ b/src/os/pipe_test.go
@@ -13,7 +13,6 @@ import (
        "os"
        osexec "os/exec"
        "os/signal"
-       "runtime"
        "syscall"
        "testing"
 )