Fix index

I was using Array::indexOf rather than using the index in the for loop...whoops

commands.js

@@ -1907,7 +1907,7 @@ exports.commands = {
 			let message = room.log[i];
 			let split = message.split("|");
 			if (Users.get(split[3]) === this.targetUser || Users.get(split[3]).getAltUsers().indexOf(this.targetUser) >= 0) {
-				room.log.splice(room.log.indexOf(message), 1);
+				room.log.splice(i, 1);
 			}
 		}
 		this.addModCommand("" + targetUser.name + "'s messages were deleted from the log in room " + room.id + " by " + user.name + ".");