Fixing PropertyManager so that it cooperates with bool properties even on unforgiving implementations (such as clang).
Fixing PropertyManager so that it cooperates with bool properties even on unforgiving implementations (such as clang).


git-svn-id: e0b5bbb11d0e9fdbbfcabba14dc32ad5d6b235bd@1265 fdac6126-5c0c-442c-9429-916003d36597

svn2github/OpenMesh2,svn2github/OpenMesh4,svn2github/OpenMesh4,svn2github/OpenMesh4,svn2github/OpenMesh2,svn2github/OpenMesh2,svn2github/OpenMesh2,svn2github/OpenMesh4,svn2github/OpenMesh4,svn2github/OpenMesh2