ekmett/lens — pull request #403 by audreyt (2014-02-27 16:38:40+00:00)
Title: Fix compilation on GHC 7.8.1 RC2

Before this patch, GHC 7.8.0.20140226 would fail with:

src/Control/Lens/Internal/Exception.hs:192:61:
Ambiguous occurrence ‘Typeable1’
It could refer to either ‘Control.Lens.Internal.Exception.Typeable1’,
defined at src/Control/Lens/Internal/Exception.hs:44:1
or ‘Data.Typeable.Typeable1’,
imported from ‘Data.Typeable’ at src/Control/Lens/Internal/Exception.hs:41:1-