fix typo in "lcsCommand" doc comment (#10622)
fix typo in "lcsCommand" doc comment (#10622)

fix typo. `LCS[j+(blen+1)*j]` -> `LCS[j+(blen+1)*i]`
yossigo/redis,PKRoma/redis,PKRoma/redis,yossigo/redis,charsyam/redis,ofirluzon/redis,ofirluzon/redis,soloestoy/redis,oranagra/redis,ofirluzon/redis,soloestoy/redis,oranagra/redis,charsyam/redis,PKRoma/redis,yossigo/redis,oranagra/redis,yossigo/redis,charsyam/redis,soloestoy/redis,oranagra/redis,charsyam/redis,ofirluzon/redis,PKRoma/redis,soloestoy/redis,oranagra/redis,ofirluzon/redis,charsyam/redis,PKRoma/redis,soloestoy/redis,yossigo/redis