Bug at compile time

Version :
~/musescore/mscore$ svn up
'mscore/mscore/revision.h' omis
revision 4005.

[ 22%] Building CXX object mscore/CMakeFiles/mscore.dir/scoreview.cpp.o
/home/olivier/musescore/mscore/mscore/mscore/scoreview.cpp: In member function ‘virtual void ScoreView::dropEvent(QDropEvent*)’:
/home/olivier/musescore/mscore/mscore/mscore/scoreview.cpp:1918: erreur: ‘str’ was not declared in this scope
make[3]: *** [mscore/CMakeFiles/mscore.dir/scoreview.cpp.o] Erreur 1
make[3]: quittant le répertoire « /home/olivier/musescore/mscore/build »
make[2]: *** [mscore/CMakeFiles/mscore.dir/all] Erreur 2
make[2]: quittant le répertoire « /home/olivier/musescore/mscore/build »
make[1]: *** [all] Erreur 2