misc/cgo/testsanitizers: gofmt

Change-Id: I4e7328bb89f504dbca3948b8565d22c44d41db3d
Reviewed-on: https://go-review.googlesource.com/c/149917
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

misc/cgo/testsanitizers/tsan_test.go

@@ -5,9 +5,9 @@
 package sanitizers_test
 
 import (
+	"runtime"
 	"strings"
 	"testing"
-	"runtime"
 )
 
 func TestTSAN(t *testing.T) {