test server terminate cleanly on ctrl c
test server terminate cleanly on ctrl c

Signed-off-by: Andy Green <b471f5a494de34531c9e5a6e15abda71edd49104@linaro.org>

weimingtom/libwebsockets,Chilledheart/libwebsockets,dumganhar/libwebsockets,gameclosure/libwebsockets,peeracle/libwebsockets,tn0502/libwebsockets,jmillan/libwebsockets,ralight/libwebsockets,mralexgray/libwebsockets-xcode,jmillan/libwebsockets,mralexgray/libwebsockets-xcode,maws/libwebsockets,wenqiwooo/syslog-libwebsockets,mushroomgithub/libwebsockets,ralight/libwebsockets,antmicro/libwebsockets,wenqiwooo/syslog-libwebsockets,lukasz-skalski/libwebsockets,dumganhar/libwebsockets,Chilledheart/libwebsockets,jmillan/libwebsockets,dtebbs/libwebsockets,abligh/libwebsockets,peeracle/libwebsockets,PureSwift/libwebsockets,mushroomgithub/libwebsockets,sanyaade-teachings/libwebsockets,weimingtom/libwebsockets,ralight/libwebsockets,DaYeSquad/libwebsockets,giovanni-liboni/libwebsockets,mralexgray/libwebsockets-xcode,peeracle/libwebsockets,pombredanne/libwebsockets,RobertoMalatesta/libwebsockets,pankona/libwebsockets,PureSwift/libwebsockets,gameclosure/libwebsockets,canopy-project/libwebsockets-canopy,canopy-project/libwebsockets-canopy,turbulenz/libwebsockets,abligh/libwebsockets,GroundControl-Solutions/libwebsockets,pombredanne/libwebsockets,giovanni-liboni/libwebsockets,JoakimSoderberg/libwebsockets,SoapyMan/libwebsockets,IOPOINT/libwebsockets,kaostao/libwebsockets,ralight/libwebsockets,pebble/libwebsockets,sartura/libwebsockets,maws/libwebsockets,pebble/libwebsockets,lukasz-skalski/libwebsockets,sanyaade-teachings/libwebsockets,tn0502/libwebsockets,dtebbs/libwebsockets,peeracle/libwebsockets,IOPOINT/libwebsockets,turbulenz/libwebsockets,RobertoMalatesta/libwebsockets,sanyaade-teachings/libwebsockets,cambridgehackers/libwebsockets,antmicro/libwebsockets,tn0502/libwebsockets,RobertoMalatesta/libwebsockets,dumganhar/libwebsockets,wenqiwooo/syslog-libwebsockets,SoapyMan/libwebsockets,cambridgehackers/libwebsockets,abligh/libwebsockets,GroundControl-Solutions/libwebsockets,antmicro/libwebsockets,jmillan/libwebsockets,weimingtom/libwebsockets,mushroomgithub/libwebsockets,SoapyMan/libwebsockets,antmicro/libwebsockets,sartura/libwebsockets,pebble/libwebsockets,IOPOINT/libwebsockets,pankona/libwebsockets,giovanni-liboni/libwebsockets,cambridgehackers/libwebsockets,kaostao/libwebsockets,dumganhar/libwebsockets,lukasz-skalski/libwebsockets,weimingtom/libwebsockets,giovanni-liboni/libwebsockets,ralight/libwebsockets,sartura/libwebsockets,mralexgray/libwebsockets-xcode,GroundControl-Solutions/libwebsockets,sanyaade-teachings/libwebsockets,GroundControl-Solutions/libwebsockets,cambridgehackers/libwebsockets,abligh/libwebsockets,GroundControl-Solutions/libwebsockets,dumganhar/libwebsockets,pebble/libwebsockets,SoapyMan/libwebsockets,sartura/libwebsockets,dtebbs/libwebsockets,maws/libwebsockets,Chilledheart/libwebsockets,mushroomgithub/libwebsockets,gameclosure/libwebsockets,RobertoMalatesta/libwebsockets,maws/libwebsockets,pankona/libwebsockets,DaYeSquad/libwebsockets,pankona/libwebsockets,sartura/libwebsockets,DaYeSquad/libwebsockets,JoakimSoderberg/libwebsockets,PureSwift/libwebsockets,DaYeSquad/libwebsockets,gameclosure/libwebsockets,kaostao/libwebsockets,SoapyMan/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,PureSwift/libwebsockets,canopy-project/libwebsockets-canopy,DaYeSquad/libwebsockets,kaostao/libwebsockets,peeracle/libwebsockets,Chilledheart/libwebsockets,JoakimSoderberg/libwebsockets,pombredanne/libwebsockets,tn0502/libwebsockets,wenqiwooo/syslog-libwebsockets,JoakimSoderberg/libwebsockets,lukasz-skalski/libwebsockets,PureSwift/libwebsockets,turbulenz/libwebsockets,pombredanne/libwebsockets,dtebbs/libwebsockets