fix ANDROID-38: stack corruption in onSendPacketRequested

java/jni/com_zerotierone_sdk_Node.cpp

@@ -402,7 +402,7 @@ namespace {
         unsigned int bufferSize,
         unsigned int ttl)
     {
-        LOGV("WirePacketSendFunction(%lld, %p, %p, %d)", (long long)localSocket, remoteAddress, buffer, bufferSize);
+        LOGV("WirePacketSendFunction(%lld, %p, %p, %d, %u)", (long long)localSocket, remoteAddress, buffer, bufferSize, ttl);
         JniRef *ref = (JniRef*)userData;
         assert(ref->node == node);
 
@@ -428,7 +428,7 @@ namespace {
             return -102;
         }
         
-        int retval = env->CallIntMethod(ref->packetSender, PacketSender_onSendPacketRequested_method, localSocket, remoteAddressObj, bufferObj);
+        int retval = env->CallIntMethod(ref->packetSender, PacketSender_onSendPacketRequested_method, localSocket, remoteAddressObj, bufferObj, 0);
 
         LOGV("JNI Packet Sender returned: %d", retval);
         return retval;

java/src/com/zerotier/sdk/PacketSender.java

@@ -42,6 +42,7 @@ public interface PacketSender {
      * @param localSocket socket file descriptor to send from.  Set to -1 if not specified.
      * @param remoteAddr {@link InetSocketAddress} to send to
      * @param packetData data to send
+     * @param ttl TTL is ignored
      * @return 0 on success, any error code on failure.
      */
     public int onSendPacketRequested(