fix for #3219  build errors on Yosemite version of clang
fix for #3219  build errors on Yosemite version of clang

over-the-shoulder by @danielmewes

RubenKelevra/rethinkdb,elkingtonmcb/rethinkdb,greyhwndz/rethinkdb,yakovenkodenis/rethinkdb,gavioto/rethinkdb,ayumilong/rethinkdb,mcanthony/rethinkdb,yakovenkodenis/rethinkdb,catroot/rethinkdb,alash3al/rethinkdb,rrampage/rethinkdb,wujf/rethinkdb,KSanthanam/rethinkdb,Qinusty/rethinkdb,jmptrader/rethinkdb,ajose01/rethinkdb,bpradipt/rethinkdb,wojons/rethinkdb,mcanthony/rethinkdb,elkingtonmcb/rethinkdb,matthaywardwebdesign/rethinkdb,Wilbeibi/rethinkdb,Qinusty/rethinkdb,captainpete/rethinkdb,AntouanK/rethinkdb,urandu/rethinkdb,lenstr/rethinkdb,bpradipt/rethinkdb,grandquista/rethinkdb,ajose01/rethinkdb,wkennington/rethinkdb,sbusso/rethinkdb,gdi2290/rethinkdb,ayumilong/rethinkdb,eliangidoni/rethinkdb,jesseditson/rethinkdb,4talesa/rethinkdb,sontek/rethinkdb,jmptrader/rethinkdb,dparnell/rethinkdb,jmptrader/rethinkdb,elkingtonmcb/rethinkdb,pap/rethinkdb,grandquista/rethinkdb,robertjpayne/rethinkdb,scripni/rethinkdb,matthaywardwebdesign/rethinkdb,KSanthanam/rethinkdb,yaolinz/rethinkdb,matthaywardwebdesign/rethinkdb,wujf/rethinkdb,ayumilong/rethinkdb,gavioto/rethinkdb,AntouanK/rethinkdb,mcanthony/rethinkdb,marshall007/rethinkdb,mquandalle/rethinkdb,4talesa/rethinkdb,dparnell/rethinkdb,losywee/rethinkdb,greyhwndz/rethinkdb,bchavez/rethinkdb,niieani/rethinkdb,urandu/rethinkdb,wojons/rethinkdb,AntouanK/rethinkdb,bpradipt/rethinkdb,captainpete/rethinkdb,sebadiaz/rethinkdb,victorbriz/rethinkdb,wkennington/rethinkdb,rrampage/rethinkdb,dparnell/rethinkdb,Wilbeibi/rethinkdb,gdi2290/rethinkdb,4talesa/rethinkdb,yaolinz/rethinkdb,captainpete/rethinkdb,matthaywardwebdesign/rethinkdb,alash3al/rethinkdb,scripni/rethinkdb,matthaywardwebdesign/rethinkdb,yakovenkodenis/rethinkdb,sbusso/rethinkdb,bchavez/rethinkdb,rrampage/rethinkdb,pap/rethinkdb,urandu/rethinkdb,sebadiaz/rethinkdb,catroot/rethinkdb,dparnell/rethinkdb,rrampage/rethinkdb,bchavez/rethinkdb,bchavez/rethinkdb,gavioto/rethinkdb,AntouanK/rethinkdb,catroot/rethinkdb,bpradipt/rethinkdb,KSanthanam/rethinkdb,eliangidoni/rethinkdb,gavioto/rethinkdb,alash3al/rethinkdb,catroot/rethinkdb,Wilbeibi/rethinkdb,mbroadst/rethinkdb,losywee/rethinkdb,JackieXie168/rethinkdb,wojons/rethinkdb,yaolinz/rethinkdb,bchavez/rethinkdb,wojons/rethinkdb,spblightadv/rethinkdb,lenstr/rethinkdb,sebadiaz/rethinkdb,mbroadst/rethinkdb,RubenKelevra/rethinkdb,yaolinz/rethinkdb,Wilbeibi/rethinkdb,robertjpayne/rethinkdb,robertjpayne/rethinkdb,pap/rethinkdb,ayumilong/rethinkdb,gdi2290/rethinkdb,victorbriz/rethinkdb,eliangidoni/rethinkdb,catroot/rethinkdb,RubenKelevra/rethinkdb,scripni/rethinkdb,rrampage/rethinkdb,grandquista/rethinkdb,jesseditson/rethinkdb,JackieXie168/rethinkdb,lenstr/rethinkdb,scripni/rethinkdb,robertjpayne/rethinkdb,mbroadst/rethinkdb,bchavez/rethinkdb,4talesa/rethinkdb,wujf/rethinkdb,robertjpayne/rethinkdb,mbroadst/rethinkdb,marshall007/rethinkdb,wujf/rethinkdb,elkingtonmcb/rethinkdb,matthaywardwebdesign/rethinkdb,ayumilong/rethinkdb,bchavez/rethinkdb,bpradipt/rethinkdb,wojons/rethinkdb,grandquista/rethinkdb,gavioto/rethinkdb,losywee/rethinkdb,KSanthanam/rethinkdb,grandquista/rethinkdb,gavioto/rethinkdb,jesseditson/rethinkdb,robertjpayne/rethinkdb,yakovenkodenis/rethinkdb,jmptrader/rethinkdb,alash3al/rethinkdb,Wilbeibi/rethinkdb,scripni/rethinkdb,spblightadv/rethinkdb,mquandalle/rethinkdb,yaolinz/rethinkdb,jmptrader/rethinkdb,alash3al/rethinkdb,wujf/rethinkdb,gdi2290/rethinkdb,gdi2290/rethinkdb,JackieXie168/rethinkdb,urandu/rethinkdb,wojons/rethinkdb,4talesa/rethinkdb,jesseditson/rethinkdb,elkingtonmcb/rethinkdb,scripni/rethinkdb,sontek/rethinkdb,marshall007/rethinkdb,JackieXie168/rethinkdb,urandu/rethinkdb,JackieXie168/rethinkdb,dparnell/rethinkdb,jmptrader/rethinkdb,ayumilong/rethinkdb,wkennington/rethinkdb,JackieXie168/rethinkdb,sebadiaz/rethinkdb,greyhwndz/rethinkdb,pap/rethinkdb,ajose01/rethinkdb,jesseditson/rethinkdb,losywee/rethinkdb,wkennington/rethinkdb,ajose01/rethinkdb,spblightadv/rethinkdb,marshall007/rethinkdb,wojons/rethinkdb,niieani/rethinkdb,RubenKelevra/rethinkdb,eliangidoni/rethinkdb,Wilbeibi/rethinkdb,robertjpayne/rethinkdb,yakovenkodenis/rethinkdb,mbroadst/rethinkdb,sontek/rethinkdb,robertjpayne/rethinkdb,wujf/rethinkdb,tempbottle/rethinkdb,sbusso/rethinkdb,ayumilong/rethinkdb,sebadiaz/rethinkdb,RubenKelevra/rethinkdb,tempbottle/rethinkdb,eliangidoni/rethinkdb,Qinusty/rethinkdb,tempbottle/rethinkdb,rrampage/rethinkdb,grandquista/rethinkdb,lenstr/rethinkdb,KSanthanam/rethinkdb,urandu/rethinkdb,niieani/rethinkdb,mquandalle/rethinkdb,sebadiaz/rethinkdb,bpradipt/rethinkdb,Qinusty/rethinkdb,mquandalle/rethinkdb,captainpete/rethinkdb,mbroadst/rethinkdb,pap/rethinkdb,eliangidoni/rethinkdb,losywee/rethinkdb,greyhwndz/rethinkdb,Qinusty/rethinkdb,marshall007/rethinkdb,JackieXie168/rethinkdb,gdi2290/rethinkdb,captainpete/rethinkdb,gdi2290/rethinkdb,catroot/rethinkdb,ajose01/rethinkdb,eliangidoni/rethinkdb,niieani/rethinkdb,jesseditson/rethinkdb,RubenKelevra/rethinkdb,victorbriz/rethinkdb,wojons/rethinkdb,gavioto/rethinkdb,KSanthanam/rethinkdb,mcanthony/rethinkdb,tempbottle/rethinkdb,AntouanK/rethinkdb,captainpete/rethinkdb,victorbriz/rethinkdb,alash3al/rethinkdb,JackieXie168/rethinkdb,4talesa/rethinkdb,grandquista/rethinkdb,KSanthanam/rethinkdb,yaolinz/rethinkdb,niieani/rethinkdb,scripni/rethinkdb,spblightadv/rethinkdb,mquandalle/rethinkdb,eliangidoni/rethinkdb,pap/rethinkdb,scripni/rethinkdb,matthaywardwebdesign/rethinkdb,niieani/rethinkdb,AntouanK/rethinkdb,RubenKelevra/rethinkdb,yaolinz/rethinkdb,sontek/rethinkdb,ajose01/rethinkdb,catroot/rethinkdb,mquandalle/rethinkdb,greyhwndz/rethinkdb,catroot/rethinkdb,losywee/rethinkdb,bpradipt/rethinkdb,sbusso/rethinkdb,ajose01/rethinkdb,sontek/rethinkdb,marshall007/rethinkdb,marshall007/rethinkdb,dparnell/rethinkdb,wujf/rethinkdb,victorbriz/rethinkdb,sbusso/rethinkdb,greyhwndz/rethinkdb,sebadiaz/rethinkdb,grandquista/rethinkdb,bchavez/rethinkdb,alash3al/rethinkdb,mbroadst/rethinkdb,rrampage/rethinkdb,lenstr/rethinkdb,elkingtonmcb/rethinkdb,spblightadv/rethinkdb,dparnell/rethinkdb,yaolinz/rethinkdb,sbusso/rethinkdb,Wilbeibi/rethinkdb,losywee/rethinkdb,rrampage/rethinkdb,tempbottle/rethinkdb,4talesa/rethinkdb,JackieXie168/rethinkdb,elkingtonmcb/rethinkdb,bpradipt/rethinkdb,dparnell/rethinkdb,sontek/rethinkdb,losywee/rethinkdb,marshall007/rethinkdb,captainpete/rethinkdb,KSanthanam/rethinkdb,yakovenkodenis/rethinkdb,dparnell/rethinkdb,niieani/rethinkdb,gavioto/rethinkdb,ajose01/rethinkdb,mcanthony/rethinkdb,victorbriz/rethinkdb,niieani/rethinkdb,wkennington/rethinkdb,Wilbeibi/rethinkdb,yakovenkodenis/rethinkdb,lenstr/rethinkdb,greyhwndz/rethinkdb,pap/rethinkdb,lenstr/rethinkdb,4talesa/rethinkdb,sbusso/rethinkdb,RubenKelevra/rethinkdb,Qinusty/rethinkdb,wkennington/rethinkdb,sebadiaz/rethinkdb,wkennington/rethinkdb,tempbottle/rethinkdb,yakovenkodenis/rethinkdb,mbroadst/rethinkdb,eliangidoni/rethinkdb,grandquista/rethinkdb,mquandalle/rethinkdb,victorbriz/rethinkdb,robertjpayne/rethinkdb,alash3al/rethinkdb,spblightadv/rethinkdb,victorbriz/rethinkdb,sontek/rethinkdb,tempbottle/rethinkdb,bchavez/rethinkdb,ayumilong/rethinkdb,greyhwndz/rethinkdb,AntouanK/rethinkdb,AntouanK/rethinkdb,jmptrader/rethinkdb,lenstr/rethinkdb,jesseditson/rethinkdb,spblightadv/rethinkdb,tempbottle/rethinkdb,Qinusty/rethinkdb,spblightadv/rethinkdb,urandu/rethinkdb,sbusso/rethinkdb,mcanthony/rethinkdb,Qinusty/rethinkdb,urandu/rethinkdb,jesseditson/rethinkdb,elkingtonmcb/rethinkdb,jmptrader/rethinkdb,mquandalle/rethinkdb,mbroadst/rethinkdb,Qinusty/rethinkdb,mcanthony/rethinkdb,pap/rethinkdb,matthaywardwebdesign/rethinkdb,sontek/rethinkdb,wkennington/rethinkdb,bpradipt/rethinkdb,mcanthony/rethinkdb,captainpete/rethinkdb