Remove the unnecessary Q_DECLARE_PUBLIC from the data class
Remove the unnecessary Q_DECLARE_PUBLIC from the data class

Change-Id: I8293dfc6d492bac59fa830d499902cabdc8d95dd
Reviewed-by: Sergey Belyashov <8871b4c2d635fca691211507eadbac3d0bc2695a@gmail.com>
Reviewed-by: Denis Shienkov <6a9c747bd2ba446682324cf340d3b86f30cf4d55@gmail.com>

kobolabs/qtserialport,kobolabs/qtserialport,RoadWorksSoftware/QtSerialPort-OS2,RoadWorksSoftware/QtSerialPort-OS2