- Fix a precision issue in PaintInit. Problem way seen with:

  TF1 *f = new TF1("f","100*exp(-x)*exp(x-2.)",0.,2.0); 
  f->Draw();


git-svn-id: http://root.cern.ch/svn/root/trunk@34128 27541ba8-7e3a-0410-8455-c3a389f83636