Fix compile warning in redis-cli.c
Fix compile warning in redis-cli.c

soloestoy/redis,charsyam/redis,neomantra/redis,yossigo/redis,ctripcorp/redis,yossigo/redis,PKRoma/redis,charsyam/redis,ofirluzon/redis,oranagra/redis,soloestoy/redis,soveran/redis,soveran/redis,oranagra/redis,PKRoma/redis,ctripcorp/redis,ofirluzon/redis,neomantra/redis,soveran/redis,yossigo/redis,pmem/redis,oranagra/redis,PKRoma/redis,pmem/redis,charsyam/redis,yossigo/redis,yossigo/redis,antirez/redis,oranagra/redis,neomantra/redis,soloestoy/redis,PKRoma/redis,soveran/redis,neomantra/redis,charsyam/redis,pmem/redis,antirez/redis,soloestoy/redis,ofirluzon/redis,antirez/redis,pmem/redis,ctripcorp/redis,PKRoma/redis,ctripcorp/redis,ofirluzon/redis,soloestoy/redis,ofirluzon/redis,neomantra/redis,antirez/redis,charsyam/redis,oranagra/redis