Free memory in clusterLoadConfig error handler
Free memory in clusterLoadConfig error handler

Closes #1327

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