Update vendor (#1265)

vendor/gopkg.in/ini.v1/data_source.go

@@ -66,10 +66,10 @@ func parseDataSource(source interface{}) (dataSource, error) {
 		return sourceFile{s}, nil
 	case []byte:
 		return &sourceData{s}, nil
-	case io.Reader:
-		return &sourceReadCloser{ioutil.NopCloser(s)}, nil
 	case io.ReadCloser:
 		return &sourceReadCloser{s}, nil
+	case io.Reader:
+		return &sourceReadCloser{ioutil.NopCloser(s)}, nil
 	default:
 		return nil, fmt.Errorf("error parsing data source: unknown type %q", s)
 	}