golint style tweaks

cmd/syncthing/main.go

@@ -937,12 +937,12 @@ next:
 
 				// If rate limiting is set, we wrap the connection in a
 				// limiter.
-				var wr io.Writer = conn
+				wr := io.Writer(conn)
 				if writeRateLimit != nil {
 					wr = &limitedWriter{conn, writeRateLimit}
 				}
 
-				var rd io.Reader = conn
+				rd := io.Reader(conn)
 				if readRateLimit != nil {
 					rd = &limitedReader{conn, readRateLimit}
 				}
@@ -1015,7 +1015,7 @@ func listenTLS(conns chan *tls.Conn, addr string, tlsCfg *tls.Config) {
 }
 
 func dialTLS(m *model.Model, conns chan *tls.Conn, tlsCfg *tls.Config) {
-	var delay time.Duration = 1 * time.Second
+	delay := time.Second
 	for {
 	nextDevice:
 		for deviceID, deviceCfg := range cfg.Devices() {
@@ -1154,9 +1154,8 @@ func getDefaultConfDir() (string, error) {
 	default:
 		if xdgCfg := os.Getenv("XDG_CONFIG_HOME"); xdgCfg != "" {
 			return filepath.Join(xdgCfg, "syncthing"), nil
-		} else {
-			return osutil.ExpandTilde("~/.config/syncthing")
 		}
+		return osutil.ExpandTilde("~/.config/syncthing")
 	}
 }
 

internal/model/model.go

@@ -888,13 +888,12 @@ func (m *Model) folderStatRef(folder string) *stats.FolderStatisticsReference {
 	m.fmut.Lock()
 	defer m.fmut.Unlock()
 
-	if sr, ok := m.folderStatRefs[folder]; ok {
-		return sr
-	} else {
+	sr, ok := m.folderStatRefs[folder]
+	if !ok {
 		sr = stats.NewFolderStatisticsReference(m.db, folder)
 		m.folderStatRefs[folder] = sr
-		return sr
 	}
+	return sr
 }
 
 func (m *Model) receivedFile(folder, filename string) {