client allow remote server to accept with no protocol set
client allow remote server to accept with no protocol set

Needed if our clientside can connect to, eg, echo.websocket.org

Signed-off-by: Andy Green <b471f5a494de34531c9e5a6e15abda71edd49104@linaro.org>
FabianAussems/libwebsockets,gameclosure/libwebsockets,peeracle/libwebsockets,GroundControl-Solutions/libwebsockets,mushroomgithub/libwebsockets,mralexgray/libwebsockets-xcode,pombredanne/libwebsockets,SoapyMan/libwebsockets,dumganhar/libwebsockets,jmillan/libwebsockets,pombredanne/libwebsockets,RobertoMalatesta/libwebsockets,DaYeSquad/libwebsockets,IOPOINT/libwebsockets,jmillan/libwebsockets,IOPOINT/libwebsockets,turbulenz/libwebsockets,Chilledheart/libwebsockets,weimingtom/libwebsockets,DaYeSquad/libwebsockets,giovanni-liboni/libwebsockets,canopy-project/libwebsockets-canopy,sartura/libwebsockets,abligh/libwebsockets,Chilledheart/libwebsockets,gameclosure/libwebsockets,gameclosure/libwebsockets,wenqiwooo/syslog-libwebsockets,pankona/libwebsockets,dtebbs/libwebsockets,tn0502/libwebsockets,sartura/libwebsockets,mushroomgithub/libwebsockets,wenqiwooo/syslog-libwebsockets,sartura/libwebsockets,mralexgray/libwebsockets-xcode,canopy-project/libwebsockets-canopy,cambridgehackers/libwebsockets,SoapyMan/libwebsockets,dumganhar/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,GroundControl-Solutions/libwebsockets,giovanni-liboni/libwebsockets,sartura/libwebsockets,maws/libwebsockets,maws/libwebsockets,DaYeSquad/libwebsockets,FabianAussems/libwebsockets,sartura/libwebsockets,jmillan/libwebsockets,Chilledheart/libwebsockets,turbulenz/libwebsockets,lukasz-skalski/libwebsockets,dtebbs/libwebsockets,mushroomgithub/libwebsockets,dumganhar/libwebsockets,sanyaade-teachings/libwebsockets,lukasz-skalski/libwebsockets,FabianAussems/libwebsockets,cambridgehackers/libwebsockets,sanyaade-teachings/libwebsockets,GroundControl-Solutions/libwebsockets,antmicro/libwebsockets,antmicro/libwebsockets,abligh/libwebsockets,maws/libwebsockets,dumganhar/libwebsockets,weimingtom/libwebsockets,wenqiwooo/syslog-libwebsockets,kaostao/libwebsockets,mushroomgithub/libwebsockets,pankona/libwebsockets,weimingtom/libwebsockets,pebble/libwebsockets,JoakimSoderberg/libwebsockets,abligh/libwebsockets,jmillan/libwebsockets,tn0502/libwebsockets,cambridgehackers/libwebsockets,turbulenz/libwebsockets,PureSwift/libwebsockets,JoakimSoderberg/libwebsockets,gameclosure/libwebsockets,RobertoMalatesta/libwebsockets,giovanni-liboni/libwebsockets,antmicro/libwebsockets,kaostao/libwebsockets,Chilledheart/libwebsockets,sanyaade-teachings/libwebsockets,IOPOINT/libwebsockets,kaostao/libwebsockets,tn0502/libwebsockets,PureSwift/libwebsockets,abligh/libwebsockets,canopy-project/libwebsockets-canopy,DaYeSquad/libwebsockets,ralight/libwebsockets,lukasz-skalski/libwebsockets,PureSwift/libwebsockets,SoapyMan/libwebsockets,pombredanne/libwebsockets,antmicro/libwebsockets,PureSwift/libwebsockets,dtebbs/libwebsockets,SoapyMan/libwebsockets,peeracle/libwebsockets,RobertoMalatesta/libwebsockets,pebble/libwebsockets,mralexgray/libwebsockets-xcode,ralight/libwebsockets,JoakimSoderberg/libwebsockets,maws/libwebsockets,ralight/libwebsockets,SoapyMan/libwebsockets,dumganhar/libwebsockets,lukasz-skalski/libwebsockets,weimingtom/libwebsockets,FabianAussems/libwebsockets,pebble/libwebsockets,GroundControl-Solutions/libwebsockets,dtebbs/libwebsockets,PureSwift/libwebsockets,pombredanne/libwebsockets,pankona/libwebsockets,giovanni-liboni/libwebsockets,DaYeSquad/libwebsockets,sanyaade-teachings/libwebsockets,RobertoMalatesta/libwebsockets,wenqiwooo/syslog-libwebsockets,peeracle/libwebsockets,mralexgray/libwebsockets-xcode,JoakimSoderberg/libwebsockets,tn0502/libwebsockets,pankona/libwebsockets,peeracle/libwebsockets,GroundControl-Solutions/libwebsockets,peeracle/libwebsockets,kaostao/libwebsockets,pebble/libwebsockets,sartura/libwebsockets,cambridgehackers/libwebsockets,ralight/libwebsockets