Bump array submodule
Bump array submodule

Fixes overflow check from fix to #229.

sdiehl/ghc,ezyang/ghc,sdiehl/ghc,olsner/ghc,olsner/ghc,sdiehl/ghc,ezyang/ghc,shlevy/ghc,shlevy/ghc,ezyang/ghc,shlevy/ghc,olsner/ghc,ezyang/ghc,olsner/ghc,olsner/ghc,ezyang/ghc,sdiehl/ghc,sdiehl/ghc,shlevy/ghc,ezyang/ghc,sdiehl/ghc,shlevy/ghc,sdiehl/ghc,olsner/ghc,ezyang/ghc,olsner/ghc,shlevy/ghc,shlevy/ghc