runtime: fix test on windows

The test prints an excessive \n when /dev/null is not present.

R=golang-codereviews, bradfitz, dave
CC=golang-codereviews
https://golang.org/cl/54890043

diff --git a/src/pkg/runtime/proc_test.go b/src/pkg/runtime/proc_test.go
index d3f1f8bb1c865c609776673e2aaa3745bbbac9de..fb9c76c3a78cd1d5882eff13b592772e92d9f61a 100644 (file)
--- a/src/pkg/runtime/proc_test.go
+++ b/src/pkg/runtime/proc_test.go
@@ -268,7 +268,7 @@ func main() {
        if os.IsNotExist(err) {
                // This test tests what it is intended to test only if writes are fast.
                // If there is no /dev/null, we just don't execute the test.
-               fmt.Println("OK\n")
+               fmt.Println("OK")
                return
        }
        if err != nil {