fix NO_EXTENSIONS
fix NO_EXTENSIONS

reported by gaby64
https://github.com/warmcat/libwebsockets/issues/89#issuecomment-38375684

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