fix typo in "lcsCommand" doc comment
fix typo. `LCS[j+(blen+1)*j]` -> `LCS[j+(blen+1)*i]`
@@ -792,7 +792,7 @@ void lcsCommand(client *c) {
/* Setup an uint32_t array to store at LCS[i,j] the length of the
* LCS A0..i-1, B0..j-1. Note that we have a linear array here, so
- * we index it as LCS[j+(blen+1)*j] */
+ * we index it as LCS[j+(blen+1)*i] */
#define LCS(A,B) lcs[(B)+((A)*(blen+1))]
/* Try to allocate the LCS table, and abort on overflow or insufficient memory. */
