units-2.3: dependencies

Dependencies for units-2.3

library	base (>=4.7 && <4.9) containers (>=0.4) mtl (>=1.1) multimap (>=1.2) singletons (>=0.9 && <3) syb (>=0.3) template-haskell th-desugar (>=1.5.4) units-parser (>=0.1 && <1.0) vector-space (>=0.8)