avoid crash if we dont have new wsi
avoid crash if we dont have new wsi

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