r9023/sofa : FIX: no more need to use slashes instead of backslashes on Windows path for the QTDIR variable in order to avoid warnings during vcproj generation
r9023/sofa : FIX: no more need to use slashes instead of backslashes on Windows path for the QTDIR variable in order to avoid warnings during vcproj generation


Former-commit-id: 70b2962baed9511c51ef654a8f4320b6162e837c
hdeling/sofa,Anatoscope/sofa,Anatoscope/sofa,hdeling/sofa,Anatoscope/sofa,hdeling/sofa,Anatoscope/sofa,FabienPean/sofa,FabienPean/sofa,hdeling/sofa,hdeling/sofa,Anatoscope/sofa,hdeling/sofa,Anatoscope/sofa,hdeling/sofa,hdeling/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,Anatoscope/sofa,FabienPean/sofa,Anatoscope/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,Anatoscope/sofa,FabienPean/sofa,hdeling/sofa,hdeling/sofa