copilot-c99-3.1: dependencies

Dependencies for copilot-c99-3.1

library	base (>=4.9 && <5) containers (>=0.4 && <0.7) copilot-core (>=3.1 && <3.2) directory (>=1.3 && <1.4) filepath (>=1.4 && <1.5) language-c99 (>=0.1.1 && <0.2) language-c99-simple (>=0.1.1 && <0.2) language-c99-util (>=0.1.1 && <0.2) mtl (>=2.2 && <2.3) pretty (>=1.1 && <1.2)