Fix unused variable warning in subcommand.c (#10184)
Fix unused variable warning in subcommand.c (#10184)

Forgot to handle it in #10135.
yossigo/redis,neomantra/redis,oranagra/redis,yossigo/redis,soloestoy/redis,oranagra/redis,soloestoy/redis,neomantra/redis,oranagra/redis,neomantra/redis,PKRoma/redis,yossigo/redis,ofirluzon/redis,PKRoma/redis,antirez/redis,neomantra/redis,neomantra/redis,yossigo/redis,charsyam/redis,soloestoy/redis,charsyam/redis,ofirluzon/redis,ofirluzon/redis,ofirluzon/redis,PKRoma/redis,soloestoy/redis,antirez/redis,charsyam/redis,oranagra/redis,charsyam/redis,soloestoy/redis,antirez/redis,charsyam/redis,yossigo/redis,oranagra/redis,antirez/redis,PKRoma/redis,PKRoma/redis,ofirluzon/redis