Fix QByteArray memory leak
Fix QByteArray memory leak

QByteArray leaked memory when constructed from Python 2 str

Change-Id: I0e2ea21ba1bd32d9519704baa7dd42e5224e9ed3
Reviewed-by: John Cummings <7d5bba3e6137bc705da943d9290ee7bb84e629e4@users.sf.net>

enthought/pyside,qtproject/pyside-pyside,BadSingleton/pyside2,IronManMark20/pyside2,enthought/pyside,qtproject/pyside-pyside,PySide/PySide,IronManMark20/pyside2,qtproject/pyside-pyside,RobinD42/pyside,RobinD42/pyside,pankajp/pyside,BadSingleton/pyside2,BadSingleton/pyside2,RobinD42/pyside,enthought/pyside,gbaty/pyside2,gbaty/pyside2,RobinD42/pyside,pankajp/pyside,pankajp/pyside,PySide/PySide,IronManMark20/pyside2,RobinD42/pyside,gbaty/pyside2,PySide/PySide,pankajp/pyside,enthought/pyside,enthought/pyside,IronManMark20/pyside2,IronManMark20/pyside2,PySide/PySide,BadSingleton/pyside2,BadSingleton/pyside2,enthought/pyside,PySide/PySide,enthought/pyside,gbaty/pyside2,RobinD42/pyside,qtproject/pyside-pyside,RobinD42/pyside,qtproject/pyside-pyside,gbaty/pyside2,pankajp/pyside