Fix error in project version variable in Doxygen config file.
Fix error in project version variable in Doxygen config file.

abhi-agrawal/ATOM_ADR,kartikkumar/cpp-project,abhi-agrawal/TestAtomProject,kartikkumar/cpp-project,ennehekma/enne-stage,ennehekma/enne-stage,kartikkumar/cppbase,ennehekma/enne-stage,abhi-agrawal/ATOM_ADR,abhi-agrawal/TestAtomProject