fix: nmea0183 buffer conversion (#335)
fix: nmea0183 buffer conversion (#335)

When used with udp input the provider input is a Buffer,
whose conversion had an extra parameter causing nmea0183
parsing to fail and crash the server.
sbender9/signalk-server-node,sbender9/signalk-server-node,webmasterkai/signalk-server-node,SignalK/signalk-server-node,SignalK/signalk-server-node,SignalK/signalk-server-node,webmasterkai/signalk-server-node,SignalK/signalk-server-node,webmasterkai/signalk-server-node,sbender9/signalk-server-node