AccelerateHS/accelerate — pull request #69 by NicolasT (2012-09-20 15:35:11+00:00)
Title: Fix build using base >= 4.6.0

In base-4.6.0 (GHC 7.6.0), `catch` is no longer available in Prelude,
and System.Error.IO.catchIOError can be used instead.

This commit changes the Graphviz pretty-printing module accordingly.