BinaryStream: Fixed wrong header being included

This is currently harmless, except for adding a redundant extra use
statement. However harmless it is though, it is still incorrect.

src/pocketmine/utils/BinaryStream.php

@@ -23,7 +23,7 @@ declare(strict_types=1);
 
 namespace pocketmine\utils;
 
-#include <rules/DataPacket.h>
+#include <rules/BinaryIO.h>
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;