latencyStartMonitor() modified to avoid warnings.
latencyStartMonitor() modified to avoid warnings.

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