hllSparseToDense API changed to take ref to object.
hllSparseToDense API changed to take ref to object.

The new API takes directly the object doing everything needed to
turn it into a dense representation, including setting the new
representation as object->ptr.

xuzhezhaozhao/redis_reading,Hailei/redis,MSOpenTech/redis,maodeyi/redis_lua,louisliangjun/redis,ttuna/msot-redis,maodeyi/redis_lua,ramonsnir/redis,MSOpenTech/redis,ksarch-saas/redis,ksarch-saas/redis,splitice/redis,HunanTV/redis,spearhead-ea/redis,xuzhezhaozhao/redis_reading,jxwr/redis,Hailei/redis,MSOpenTech/redis,maodeyi/redis_lua,louisliangjun/redis,ramonsnir/redis,ttuna/msot-redis,HunanTV/redis,xuzhezhaozhao/redis_reading,slfs007/mk-redis,louisliangjun/redis,MSOpenTech/redis,slfs007/mk-redis,darksideofthemoo/redis-histogram,himoca/redis,ramonsnir/redis,darksideofthemoo/redis-histogram,ttuna/msot-redis,splitice/redis,ttuna/msot-redis,ksarch-saas/redis,darksideofthemoo/redis-histogram,ksarch-saas/redis,jxwr/redis,HunanTV/redis,MSOpenTech/redis,Hailei/redis,spearhead-ea/redis,himoca/redis,splitice/redis,splitice/redis,ttuna/msot-redis,slfs007/mk-redis,darksideofthemoo/redis-histogram,louisliangjun/redis,HunanTV/redis,xuzhezhaozhao/redis_reading,himoca/redis,Hailei/redis,spearhead-ea/redis,jxwr/redis