ekmett/lens — pull request #367 by sonyandy (2013-11-10 19:31:03+00:00)
Title: fix GIxed' for ghc-head

I believe only the changes at https://github.com/sonyandy/lens/compare/gixed-fundeps?expand=1#diff-26a858cfee0ae46101b5b06e15a632c5R399 are necessary, and I can remove the other constraints if preferred.