[Cdk-devel] patch for tracker:patches 2793070

[Miguel R. C. <mig...@ya...>]

Attached patch fixes request tracker:patches 2793070. The formal charge
of the IAtomcontainer is transfered to IMolecularFormula through
checking the formal charge of each IAtom.

Should be applied to cdk-1.2.x and master

Miquel