dict.c: reset emptylen when bucket is not empty.
dict.c: reset emptylen when bucket is not empty.

Fixed by @oranagra, thank you.

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