Add REDIS_BIND_ADDR access macro
Add REDIS_BIND_ADDR access macro

We need to access (bindaddr[0] || NULL) in a few places, so centralize
access with a nice macro.

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