Fix an issue with fSumw2 not being told how many bins there are when going via default c'tor, as in the case of CreateHn. Zero-initialize fCoordBuf to make Dump() valgrind-happy: accesses uninitialized memory otherwise to print the value that fCoordBuf points at.
Fix an issue with fSumw2 not being told how many bins there are when going via default c'tor, as in the case of CreateHn.
Zero-initialize fCoordBuf to make Dump() valgrind-happy: accesses uninitialized memory otherwise to print the value that fCoordBuf points at.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@46439 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT