fixed getAddressFromInetAddress() to return long and do an unsigned conversion from int to long. Thanks to Sam Webster for reporting this.

classpath/java/net/PlainSocketImpl.java

@@ -117,10 +117,10 @@ class PlainSocketImpl extends SocketImpl
 		socket.Bind(new IPEndPoint(getAddressFromInetAddress(addr), port));
 	}
 
-	static int getAddressFromInetAddress(InetAddress addr)
+	static long getAddressFromInetAddress(InetAddress addr)
 	{
 		byte[] b = addr.getAddress();
-		return ((b[3] & 0xff) << 24) + ((b[2] & 0xff) << 16) + ((b[1] & 0xff) << 8) + (b[0] & 0xff);
+		return (((b[3] & 0xff) << 24) + ((b[2] & 0xff) << 16) + ((b[1] & 0xff) << 8) + (b[0] & 0xff)) & 0xffffffffL;
 	}
 
 	/**