1.90.9: 2012-03-15 Murray Cumming Fix warnings found by clang++. * examples/demo/primitives.cc: Use (void*) instead of NULL to avoid missing sentinel warnings. * goocanvas/src/canvas.ccg: * goocanvas/src/itemmodel.ccg: * goocanvas/src/points.ccg: Use 0 instead of NULL to avoid NULL generally.