Forgot an import.

src/main/java/com/gmail/nossr50/listeners/PlayerListener.java

@@ -9,6 +9,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
+import org.bukkit.event.player.AsyncPlayerChatEvent;
 import org.bukkit.event.player.PlayerChangedWorldEvent;
 import org.bukkit.event.player.PlayerChatEvent;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;