From Axel: Add CPP macro needed against MSVC9 warnings on missing declaration attributes of math funcs.
From Axel:
Add CPP macro needed against MSVC9 warnings on missing declaration attributes of math funcs.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@23517 27541ba8-7e3a-0410-8455-c3a389f83636

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