hwapi: remove unused dependency to QWidget

include/hwapi.h

@@ -87,8 +87,6 @@ Level 3): send command: "start payment process"
 #define hwapi_H
 
 #include <stdint.h>
-#include <QTabWidget>
-#include <QtPlugin>
 #include <QObject>
 #include "interfaces.h"
 #include "datIf.h"
@@ -118,7 +116,7 @@ private:
 
     QSharedMemory *m_sharedMem;
 public:
-    explicit hwapi(QWidget *parent = nullptr);
+    explicit hwapi(QObject *parent = nullptr);
     virtual ~hwapi();
 
     T_datif *myDatif;

src/hwapi.cpp

@@ -34,7 +34,7 @@ static const QMap<QString, int> baudrateMap = {
   {"57600"  ,   4}, {"115200" ,   5}
 };
 
-hwapi::hwapi(QWidget *parent) : QObject(parent) {
+hwapi::hwapi(QObject *parent) : QObject(parent) {
     // create or attach shared memory segment
     // !!! The compoment creating the shared memory MUST be ATBQT !!!
     m_sharedMem = SharedMemBuffer::getShm(sizeof(SharedMemBuffer));