fix typo
fix typo

fix [#5005](https://github.com/antirez/redis/issues/5005)
neomantra/redis,soloestoy/redis,nnog/redis,PKRoma/redis,ofirluzon/redis,yossigo/redis,antirez/redis,antirez/redis,soloestoy/redis,soloestoy/redis,PKRoma/redis,charsyam/redis,neomantra/redis,soveran/redis,GitHubMota/redis,charsyam/redis,pmem/redis,oranagra/redis,ofirluzon/redis,pmem/redis,neomantra/redis,neomantra/redis,antirez/redis,ofirluzon/redis,spinlock/redis,oranagra/redis,spinlock/redis,GitHubMota/redis,ctripcorp/redis,ofirluzon/redis,GitHubMota/redis,yossigo/redis,oranagra/redis,yossigo/redis,charsyam/redis,nnog/redis,soveran/redis,spinlock/redis,yossigo/redis,GitHubMota/redis,pmem/redis,oranagra/redis,antirez/redis,soveran/redis,ofirluzon/redis,PKRoma/redis,soloestoy/redis,soloestoy/redis,nnog/redis,ctripcorp/redis,oranagra/redis,yossigo/redis,spinlock/redis,neomantra/redis,ctripcorp/redis,pmem/redis,charsyam/redis,charsyam/redis,PKRoma/redis,nnog/redis,ctripcorp/redis,soveran/redis,PKRoma/redis