fix multiline scalar value issue

kyaml/internal/forked/github.com/go-yaml/yaml/decode_test.go

@@ -46,6 +46,9 @@ var unmarshalTests = []struct {
 		map[string]string{"v": "hi"},
 	}, {
 		"v: hi", map[string]interface{}{"v": "hi"},
+	}, {
+		"v: 'hi\nthis is a\nmultiline string\n'",
+		map[string]interface {}{"v":"hi\nthis is a\nmultiline string\n"},
 	}, {
 		"v: true",
 		map[string]string{"v": "true"},