libev stub macros need to reflect void when disabled
libev stub macros need to reflect void when disabled

Reported-by: Michael Harberler <be3c15954d83baa6b2fe9cb32fdbe7eeded2a76c@mah.priv.at>
Signed-off-by: Andy Green <b471f5a494de34531c9e5a6e15abda71edd49104@linaro.org>
gameclosure/libwebsockets,mushroomgithub/libwebsockets,SoapyMan/libwebsockets,DaYeSquad/libwebsockets,ralight/libwebsockets,ralight/libwebsockets,wenqiwooo/syslog-libwebsockets,cambridgehackers/libwebsockets,maws/libwebsockets,pombredanne/libwebsockets,GroundControl-Solutions/libwebsockets,SoapyMan/libwebsockets,sartura/libwebsockets,DaYeSquad/libwebsockets,maws/libwebsockets,jmillan/libwebsockets,canopy-project/libwebsockets-canopy,giovanni-liboni/libwebsockets,Chilledheart/libwebsockets,turbulenz/libwebsockets,SoapyMan/libwebsockets,gameclosure/libwebsockets,pankona/libwebsockets,cambridgehackers/libwebsockets,PureSwift/libwebsockets,dumganhar/libwebsockets,abligh/libwebsockets,PureSwift/libwebsockets,PureSwift/libwebsockets,tn0502/libwebsockets,sartura/libwebsockets,tn0502/libwebsockets,PureSwift/libwebsockets,mushroomgithub/libwebsockets,lukasz-skalski/libwebsockets,RobertoMalatesta/libwebsockets,gameclosure/libwebsockets,SoapyMan/libwebsockets,lukasz-skalski/libwebsockets,abligh/libwebsockets,RobertoMalatesta/libwebsockets,cambridgehackers/libwebsockets,sartura/libwebsockets,JoakimSoderberg/libwebsockets,lukasz-skalski/libwebsockets,IOPOINT/libwebsockets,cambridgehackers/libwebsockets,turbulenz/libwebsockets,dumganhar/libwebsockets,dumganhar/libwebsockets,ralight/libwebsockets,Chilledheart/libwebsockets,sanyaade-teachings/libwebsockets,pombredanne/libwebsockets,wenqiwooo/syslog-libwebsockets,giovanni-liboni/libwebsockets,canopy-project/libwebsockets-canopy,pombredanne/libwebsockets,antmicro/libwebsockets,abligh/libwebsockets,wenqiwooo/syslog-libwebsockets,sartura/libwebsockets,peeracle/libwebsockets,wenqiwooo/syslog-libwebsockets,peeracle/libwebsockets,canopy-project/libwebsockets-canopy,abligh/libwebsockets,jmillan/libwebsockets,maws/libwebsockets,maws/libwebsockets,JoakimSoderberg/libwebsockets,ralight/libwebsockets,jmillan/libwebsockets,RobertoMalatesta/libwebsockets,JoakimSoderberg/libwebsockets,peeracle/libwebsockets,peeracle/libwebsockets,jmillan/libwebsockets,mushroomgithub/libwebsockets,Chilledheart/libwebsockets,pankona/libwebsockets,RobertoMalatesta/libwebsockets,peeracle/libwebsockets,DaYeSquad/libwebsockets,GroundControl-Solutions/libwebsockets,lukasz-skalski/libwebsockets,pombredanne/libwebsockets,antmicro/libwebsockets,turbulenz/libwebsockets,sartura/libwebsockets,giovanni-liboni/libwebsockets,ralight/libwebsockets,tn0502/libwebsockets,GroundControl-Solutions/libwebsockets,giovanni-liboni/libwebsockets,dumganhar/libwebsockets,sartura/libwebsockets,pankona/libwebsockets,gameclosure/libwebsockets,antmicro/libwebsockets,DaYeSquad/libwebsockets,tn0502/libwebsockets,SoapyMan/libwebsockets,IOPOINT/libwebsockets,sanyaade-teachings/libwebsockets,dumganhar/libwebsockets,antmicro/libwebsockets,mushroomgithub/libwebsockets,pankona/libwebsockets,PureSwift/libwebsockets,DaYeSquad/libwebsockets,JoakimSoderberg/libwebsockets,sanyaade-teachings/libwebsockets,sartura/libwebsockets,Chilledheart/libwebsockets,GroundControl-Solutions/libwebsockets,GroundControl-Solutions/libwebsockets,sanyaade-teachings/libwebsockets,IOPOINT/libwebsockets