Fix Inheritance of PySide (Windows build broken)

[  5%] Building CXX object PySide2/QtCore/CMakeFiles/QtCore.dir/PySide2/QtCore/qabstracttablemodel_wrapper.cpp.obj
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstractlistmodel_wrapper.cpp(1788): error C2039: 'QObjectWrapper': is not a member of '`global namespace''
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstractlistmodel_wrapper.cpp(1788): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstractlistmodel_wrapper.cpp(1788): error C2146: syntax error: missing '>' before identifier 'QObjectWrapper'
jom: D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\CMakeFiles\QtCore.dir\build.make [PySide2\QtCore\CMakeFiles\QtCore.dir\PySide2\QtCore\qabstractlistmodel_wrapper.cpp.obj] Error 2
qabstracttablemodel_wrapper.cpp
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstractitemmodel_wrapper.cpp(4424): error C2039: 'QObjectWrapper': is not a member of '`global namespace''
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstractitemmodel_wrapper.cpp(4424): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstractitemmodel_wrapper.cpp(4424): error C2146: syntax error: missing '>' before identifier 'QObjectWrapper'
jom: D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\CMakeFiles\QtCore.dir\build.make [PySide2\QtCore\CMakeFiles\QtCore.dir\PySide2\QtCore\qabstractitemmodel_wrapper.cpp.obj] Error 2
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstracttablemodel_wrapper.cpp(1770): error C2039: 'QObjectWrapper': is not a member of '`global namespace''
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstracttablemodel_wrapper.cpp(1770): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\PySide2\QtCore\qabstracttablemodel_wrapper.cpp(1770): error C2146: syntax error: missing '>' before identifier 'QObjectWrapper'
jom: D:\dev\pyside\pyside-setup\testenv3_build\py3.5-qt5.6.3-64bit-release\pyside2\PySide2\QtCore\CMakeFiles\QtCore.dir\build.make [PySide2\QtCore\CMakeFiles\QtCore.dir\PySide2\QtCore\qabstracttablemodel_wrapper.cpp.obj] Error 2