Fix a problem reported by Marco Clemencic.
"  I found the problem in Reflex. If a  namespace had only enums was not declared to Reflex as such.  It was not visible in the tests included in ROOT because the same namespace was used for other tests and contained other elements.


git-svn-id: http://root.cern.ch/svn/root/trunk@15518 27541ba8-7e3a-0410-8455-c3a389f83636