patch applied (packages/extensible-exceptions): Revert changes that require Cabal-1.6 or later; fixes GHC trac #3931

[Ian Lynagh]

Sun Apr 25 12:02:45 PDT 2010  Ian Lynagh <igloo at earth.li>
  * Revert changes that require Cabal-1.6 or later; fixes GHC trac #3931
  We want to remain compatible with older compilers, with older Cabals,
  for now.

    M ./extensible-exceptions.cabal -4 +12

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/extensible-exceptions;a=darcs_commitdiff;h=20100425190245-3fd76-e5a93456c94c7affa1678939c1e234d2f9006722.gz