update lcemp networking

Minecraft.World/DataInputStream.cpp

@@ -303,6 +303,10 @@ wstring DataInputStream::readUTF()
 	int b = stream->read();
 	unsigned short UTFLength = (unsigned short) (((a & 0xff) << 8) | (b & 0xff));
 
+	const unsigned short MAX_UTF_LENGTH = 32767;
+	if( UTFLength > MAX_UTF_LENGTH )
+		return outputString;
+
 	//// 4J Stu - I decided while writing DataOutputStream that we didn't need to bother using the UTF8 format
 	//// used in the java libs, and just write in/out as wchar_t all the time