Allow AUTH while loading the DB in memory.
Allow AUTH while loading the DB in memory.

While Redis is loading the AOF or RDB file in memory only a subset of
commands are allowed. This commit adds AUTH to this subset.

adamweixuan/redis,jacklee0810/redis,jaambee/redis,janeasystems/redis,alpha8/redis,Jonavin/redis,shanegxxiao/redis,alpha8/redis,jqk6/redis,laurencee/redis,erwin00776/redis-2.8-optimize,richmonkey/netleveldb,liqiang199105/redis,hanmichael/redis,fanxu/redis,powerumc/MyRedis,LittlePeng/redis,StartTheShift/redis-shift,sidsen/redis,liqiang199105/redis,Cybermaxs/redis,miminus/redis,enginekit/redis,fanxu/redis,janeasystems/redis,ideaar/redis,miminus/redis,crask/redis-cutter,crask/redis-cutter,adamweixuan/redis,enginekit/redis,StartTheShift/redis-shift,shanegxxiao/redis,kts12345/redis,enginekit/redis,damy/redis,Jonavin/redis,ScottKaiGu/redis,jaambee/redis,StartTheShift/redis-shift,enginekit/redis,LittlePeng/redis,jaambee/redis,upsoft/redis,ideaar/redis,kolonse/redis,oaastest/redis,jacklee0810/redis,kts12345/redis,richmonkey/netleveldb,jacklee0810/redis,sidsen/redis,Cybermaxs/redis,sidsen/redis,Jonavin/redis,LittlePeng/redis,hanmichael/redis,damy/redis,janeasystems/redis,alpha8/redis,powerumc/MyRedis_old,oaastest/redis,jaambee/redis,jqk6/redis,kolonse/redis,miminus/redis,jqk6/redis,upsoft/redis,quangnguyen90/redis,jacklee0810/redis,Jonavin/redis,liqiang199105/redis,kolonse/redis,liqiang199105/redis,kolonse/redis,ideaar/redis,kts12345/redis,oaastest/redis,janeasystems/redis,jaambee/redis,Jonavin/redis,sidsen/redis,jqk6/redis,erwin00776/redis-2.8-optimize,ScottKaiGu/redis,richmonkey/netleveldb,damy/redis,damy/redis,damy/redis,nandhanurrevanth/redis,Cybermaxs/redis,laurencee/redis,oaastest/redis,alpha8/redis,kts12345/redis,liqiang199105/redis,jacklee0810/redis,quangnguyen90/redis,nandhanurrevanth/redis,quangnguyen90/redis,nandhanurrevanth/redis,janeasystems/redis,sidsen/redis,Cybermaxs/redis,laurencee/redis,hanmichael/redis,quangnguyen90/redis,ideaar/redis,powerumc/MyRedis,enginekit/redis,upsoft/redis,upsoft/redis,sidsen/redis,shanegxxiao/redis,erwin00776/redis-2.8-optimize,powerumc/MyRedis,laurencee/redis,powerumc/MyRedis_old,oaastest/redis,erwin00776/redis-2.8-optimize,shanegxxiao/redis,ideaar/redis,ScottKaiGu/redis,alpha8/redis,richmonkey/netleveldb,kts12345/redis,miminus/redis,kolonse/redis,adamweixuan/redis,adamweixuan/redis,ScottKaiGu/redis,adamweixuan/redis,Cybermaxs/redis,laurencee/redis,jqk6/redis,hanmichael/redis,miminus/redis,nandhanurrevanth/redis,powerumc/MyRedis_old,hanmichael/redis,shanegxxiao/redis,fanxu/redis,upsoft/redis,crask/redis-cutter,quangnguyen90/redis,nandhanurrevanth/redis,fanxu/redis,ScottKaiGu/redis,powerumc/MyRedis_old