Fix ACL HELP table missing comma.

src/acl.c

@@ -1848,7 +1848,7 @@ void aclCommand(client *c) {
     } else if (!strcasecmp(sub,"help")) {
         const char *help[] = {
 "LOAD                             -- Reload users from the ACL file.",
-"SAVE                              -- Save the current config to the ACL file."
+"SAVE                             -- Save the current config to the ACL file.",
 "LIST                             -- Show user details in config file format.",
 "USERS                            -- List all the registered usernames.",
 "SETUSER <username> [attribs ...] -- Create or modify a user.",