[klauspost/deflate-improve-comp] update expected zlib output

Change-Id: I1cef87da8cf7a2f2b330115f8eeecb7bf825af76

Author: klauspost

src/compress/zlib/example_test.go

@@ -19,7 +19,7 @@ func ExampleNewWriter() {
 	w.Write([]byte("hello, world\n"))
 	w.Close()
 	fmt.Println(b.Bytes())
-	// Output: [120 156 202 72 205 201 201 215 81 40 207 47 202 73 225 2 4 0 0 255 255 33 231 4 147]
+	// Output: [120 156 0 13 0 242 255 104 101 108 108 111 44 32 119 111 114 108 100 10 3 0 33 231 4 147]
 }
 
 func ExampleNewReader() {