Incorrect addition of descriptor AttributeDescriptor in Set-request-with-datablock

File dlms.c, line 5764

If the PDU type is Set-request-with-datablock, the descriptor AttributeDescriptor is added to the message again.

// Add attribute descriptor.
if (ret == 0 && p->attributeDescriptor != NULL)
{
ret = bb_set(reply, p->attributeDescriptor->data, p->attributeDescriptor->size);
}