Modify the functions:

 TGraph::Fit
 TH1::Fit
 TTreePlayer::UnbinnedFit
to call TF1::SetNDF(ndf) where ndf is the number of degrees of freedom
taking into account the number of points used in the fit minus the
number of free parameters.


git-svn-id: http://root.cern.ch/svn/root/trunk@2375 27541ba8-7e3a-0410-8455-c3a389f83636