units-2.2: dependencies

Dependencies for units-2.2

library	base (>=4.7 && <5) containers (>=0.4) mtl (>=1.1) multimap (>=1.2) parsec (>=3) singletons (>=0.9 && <2) syb (>=0.3) template-haskell th-desugar (>=1.4.2) vector-space (>=0.8)