Removed pointless NULL handling of rdb_context_t in env_t constructor that disallows NULL rdb_context_t.
Removed pointless NULL handling of rdb_context_t in env_t constructor that disallows NULL rdb_context_t.

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