#653 moleculeTest fails

[jlec]

FAIL! : MoleculeTest::radius() Compared doubles are not the same (fuzzy compare)
Actual (m_molecule->radius()): 1.5
Expected (1.24373429638327494): 1.24373
Loc: [/var/tmp/portage/sci-chemistry/avogadro-1.1.0/work/avogadro-1.1.0/libavogadro/tests/moleculetest.cpp(292)]

using openbabel-2.3.1 on a gentoo Linux system.