From Andrei: a fix in TGeoHMatrix (thanks to Ivana)
From Andrei:
a fix in TGeoHMatrix (thanks to Ivana)

Operations like:
TGeoHMatrix h = m1*m2*m3

failed if one of the components was an identity matrix due to a missing initialization
sequence in TGeoHMatrix::operator=
Fixed and tested to work properly now.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@12802 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root