Removed or fixed some OS X conditional compilation in disk.cc.
Removed or fixed some OS X conditional compilation in disk.cc.

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