liquidhaskell-0.8.0.2: .gitmodules

[submodule "liquid-fixpoint"]
	path = liquid-fixpoint
	url = https://github.com/ucsd-progsys/liquid-fixpoint.git
[submodule "ghc-options"]
	path = ghc-options
	url = https://github.com/ranjitjhala/ghc-options.git