Use as the name of the template argument of the templated member function a...

Use as the name of the template argument of the templated member function a symbol that is _not_ also the name of a function in order to avoid a fatal confusion in order compilers (gcc 3.3)


git-svn-id: http://root.cern.ch/svn/root/trunk@23871 27541ba8-7e3a-0410-8455-c3a389f83636