functions_common.sh: fixed typo
functions_common.sh: fixed typo

MrTheodor/csg,votca/csg,junghans/csg,MrTheodor/csg,junghans/csg,votca/csg,votca/csg,MrTheodor/csg,junghans/csg,MrTheodor/csg,junghans/csg,junghans/csg,votca/csg,junghans/csg,MrTheodor/csg