Made write_back_t::buf_writer_t not be a subclass of cond_t.
Made write_back_t::buf_writer_t not be a subclass of cond_t.

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