Support "1G" etc. units in CONFIG SET maxmemory
Support "1G" etc. units in CONFIG SET maxmemory

Signed-off-by: Chris Lamb <711c73f64afdce07b7e38039a96d2224209e9a6c@chris-lamb.co.uk>

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