all: fix lint errors

vici/client_conn.go

@@ -116,11 +116,11 @@ func (cc *clientConn) packetRead(ctx context.Context) (*Message, error) {
 
 		return nil, ctx.Err()
 	case v := <-rc:
-		switch v.(type) {
+		switch v := v.(type) {
 		case error:
-			return nil, v.(error)
+			return nil, v
 		case *Message:
-			return v.(*Message), nil
+			return v, nil
 		default:
 			// This is a programmer error.
 			return nil, fmt.Errorf("%v: invalid packet read", errEncoding)

vici/message.go

@@ -465,11 +465,12 @@ func (m *Message) decode(data []byte) error {
 			return fmt.Errorf("%v: %v", errDecoding, err)
 		}
 
-		if name := buf.Next(int(l)); len(name) != int(l) {
+		name := buf.Next(int(l))
+		if len(name) != int(l) {
 			return errBadName
-		} else {
-			m.header.name = string(name)
 		}
+
+		m.header.name = string(name)
 	}
 
 	for buf.Len() > 0 {
@@ -609,7 +610,6 @@ func (m *Message) encodeSection(key string, section *Message) ([]byte, error) {
 
 	// Encode the sections elements
 	for k, v := range section.elements() {
-
 		rv := reflect.ValueOf(v)
 
 		var data []byte