qt: Retain compatibility with Qt 5.9
QSharedPointer.get() was added in Qt 5.11, and it does the same thing as .data()
https://doc.qt.io/qt-5/qsharedpointer.html#get
Fixes #867 (closed)
QSharedPointer.get() was added in Qt 5.11, and it does the same thing as .data()
https://doc.qt.io/qt-5/qsharedpointer.html#get
Fixes #867 (closed)