Replace the following declarations

R__EXTERN TH1  *gCurrentHist; //these 3 globals should be replaced by class members
R__EXTERN Hoption_t Hoption;
R__EXTERN Hparam_t  Hparam;
by
extern TH1  *gCurrentHist; //these 3 globals should be replaced by class members
extern Hoption_t Hoption;
extern Hparam_t  Hparam;


git-svn-id: http://root.cern.ch/svn/root/trunk@17104 27541ba8-7e3a-0410-8455-c3a389f83636