Merge pull request #128 from garyrussell/INT-2183

Fix Multicast Regression Issue

spring-integration-ip/src/main/java/org/springframework/integration/ip/udp/MulticastSendingMessageHandler.java

@@ -128,7 +128,7 @@ public class MulticastSendingMessageHandler extends UnicastSendingMessageHandler
 			}
 			this.setSocket(socket);
 		}
-		return this.getSocket();
+		return this.getTheSocket();
 	}