Fix no return value in EthernetClient::write()
Fix no return value in EthernetClient::write()

EthernetClient::write() now properly returns the number of bytes written.

cevatbostancioglu/Energia,vigneshmanix/Energia,sanyaade-iot/Energia,danielohh/Energia,brianonn/Energia,danielohh/Energia,NoPinky/Energia,martianmartin/Energia,brianonn/Energia,battosai30/Energia,vigneshmanix/Energia,vigneshmanix/Energia,DavidUser/Energia,cevatbostancioglu/Energia,bobintornado/Energia,danielohh/Energia,brianonn/Energia,bobintornado/Energia,dvdvideo1234/Energia,DavidUser/Energia,brianonn/Energia,sanyaade-iot/Energia,DavidUser/Energia,NoPinky/Energia,dvdvideo1234/Energia,battosai30/Energia,sanyaade-iot/Energia,bobintornado/Energia,bobintornado/Energia,croberts15/Energia,DavidUser/Energia,qtonthat/Energia,sanyaade-iot/Energia,martianmartin/Energia,danielohh/Energia,sanyaade-iot/Energia,radiolok/Energia,cevatbostancioglu/Energia,martianmartin/Energia,NoPinky/Energia,croberts15/Energia,martianmartin/Energia,battosai30/Energia,qtonthat/Energia,bobintornado/Energia,croberts15/Energia,danielohh/Energia,sanyaade-iot/Energia,DavidUser/Energia,martianmartin/Energia,battosai30/Energia,qtonthat/Energia,brianonn/Energia,radiolok/Energia,dvdvideo1234/Energia,qtonthat/Energia,NoPinky/Energia,radiolok/Energia,martianmartin/Energia,cevatbostancioglu/Energia,battosai30/Energia,NoPinky/Energia,danielohh/Energia,radiolok/Energia,martianmartin/Energia,NoPinky/Energia,brianonn/Energia,dvdvideo1234/Energia,cevatbostancioglu/Energia,qtonthat/Energia,qtonthat/Energia,DavidUser/Energia,vigneshmanix/Energia,radiolok/Energia,dvdvideo1234/Energia,qtonthat/Energia,croberts15/Energia,radiolok/Energia,croberts15/Energia,cevatbostancioglu/Energia,croberts15/Energia,croberts15/Energia,NoPinky/Energia,vigneshmanix/Energia,DavidUser/Energia,brianonn/Energia,vigneshmanix/Energia,dvdvideo1234/Energia,battosai30/Energia,bobintornado/Energia,vigneshmanix/Energia,dvdvideo1234/Energia,cevatbostancioglu/Energia,bobintornado/Energia,battosai30/Energia,sanyaade-iot/Energia,radiolok/Energia,danielohh/Energia