chore: linter: staticcheck

Signed-off-by: Jakob Borg <jakob@kastelo.net>

cmd/strelaysrv/utils.go

@@ -10,7 +10,7 @@ import (
 func setTCPOptions(conn net.Conn) error {
 	tcpConn, ok := conn.(*net.TCPConn)
 	if !ok {
-		return errors.New("Not a TCP connection")
+		return errors.New("not a TCP connection")
 	}
 	if err := tcpConn.SetLinger(0); err != nil {
 		return err

cmd/syncthing/cli/client.go

@@ -91,11 +91,11 @@ func loadGUIConfig() (config.GUIConfiguration, error) {
 	guiCfg := cfg.GUI()
 
 	if guiCfg.Address() == "" {
-		return config.GUIConfiguration{}, errors.New("Could not find GUI Address")
+		return config.GUIConfiguration{}, errors.New("could not find GUI Address")
 	}
 
 	if guiCfg.APIKey == "" {
-		return config.GUIConfiguration{}, errors.New("Could not find GUI API key")
+		return config.GUIConfiguration{}, errors.New("could not find GUI API key")
 	}
 
 	return guiCfg, nil