Fixed a minor bug.

ProtocolLib/src/com/comphenix/protocol/ProtocolLibrary.java

@@ -25,6 +25,7 @@ import org.bukkit.Server;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import com.comphenix.protocol.async.AsyncFilterManager;
 import com.comphenix.protocol.injector.PacketFilterManager;
 import com.comphenix.protocol.metrics.Statistics;
 import com.comphenix.protocol.reflect.compiler.BackgroundCompiler;
@@ -98,7 +99,8 @@ public class ProtocolLibrary extends JavaPlugin {
 			asyncPacketTask = server.getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
 				@Override
 				public void run() {
-					protocolManager.getAsyncFilterManager().sendProcessedPackets();
+					AsyncFilterManager manager = (AsyncFilterManager) protocolManager.getAsynchronousManager();
+					manager.sendProcessedPackets();
 				}
 			}, ASYNC_PACKET_DELAY, ASYNC_PACKET_DELAY);
 		

ProtocolLib/src/com/comphenix/protocol/ProtocolManager.java

@@ -127,5 +127,5 @@ public interface ProtocolManager extends PacketStream {
 	 * Retrieve the current asyncronous packet manager.
 	 * @return Asyncronous packet manager.
 	 */
-	public AsynchronousManager getAsyncFilterManager();
+	public AsynchronousManager getAsynchronousManager();
 }

ProtocolLib/src/com/comphenix/protocol/injector/PacketFilterManager.java

@@ -139,7 +139,7 @@ public final class PacketFilterManager implements ProtocolManager {
 	}
 	
 	@Override
-	public AsynchronousManager getAsyncFilterManager() {
+	public AsynchronousManager getAsynchronousManager() {
 		return asyncFilterManager;
 	}