devel/lfcbase,databases/cego: update 1.16.4 -> 1.16.5, 2.47.26 -> 2.47.27

lfcbase:

• Fix in BigDecimal::operator ==, if _val, _scale and _isPositive do not match, we still have to call further checks

cego:

• Fix in CegoProcBlock::toChain, dimension has still not been treated for fixed procedure variables