Fix a problem in TGaxis when painting the 10^n scale when the font size is specified in pixels.
Fix a problem in TGaxis when painting the 10^n scale when the font size
is specified in pixels.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@1589 27541ba8-7e3a-0410-8455-c3a389f83636

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