cmd/go: really skip TestNoteReading on linux/ppc64le

Change-Id: Iaeba7c55bbb9e11ac30f3b61369aa597acc30190
Reviewed-on: https://go-review.googlesource.com/13691Reviewed-by: Russ Cox <rsc@golang.org>

src/cmd/go/note_test.go

@@ -25,7 +25,7 @@ func TestNoteReading(t *testing.T) {
 	}
 
 	if runtime.GOOS == "linux" && runtime.GOARCH == "ppc64le" {
-		t.Logf("skipping - golang.org/issue/11184")
+		t.Skipf("skipping - golang.org/issue/11184")
 	}
 
 	switch runtime.GOOS {