Compilation problem

(Ubuntu 13.10)

I get this error :

make[3]: entrant dans le répertoire « /home/olivier/MuseScore/build.release »
[ 50%] [ 50%] [ 50%] [ 50%] Building CXX object mscore/CMakeFiles/mscore.dir/synthcontrol.cpp.o
Building CXX object mscore/CMakeFiles/mscore.dir/importove.cpp.o
Building CXX object mscore/CMakeFiles/mscore.dir/ruler.cpp.o
Building CXX object mscore/CMakeFiles/mscore.dir/ove.cpp.o
/home/olivier/MuseScore/mscore/synthcontrol.cpp: In constructor ‘Ms::SynthControl::SynthControl(QWidget*)’:
/home/olivier/MuseScore/mscore/synthcontrol.cpp:62:37: error: ‘createWindowContainer’ is not a member of ‘QWidget’
effectStackA->addWidget(QWidget::createWindowContainer(e->gui()));
^
/home/olivier/MuseScore/mscore/synthcontrol.cpp:69:37: error: ‘createWindowContainer’ is not a member of ‘QWidget’
effectStackB->addWidget(QWidget::createWindowContainer(e->gui()));
^
make[3]: *** [mscore/CMakeFiles/mscore.dir/synthcontrol.cpp.o] Erreur 1