patch applied (packages/Cabal): Fix parsing of empty default-language fields

[Ian Lynagh]

Tue Oct 26 15:03:12 PDT 2010  Ian Lynagh <igloo at earth.li>
  * Fix parsing of empty default-language fields

    M ./Distribution/PackageDescription/Parse.hs -2 +2

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/Cabal;a=darcs_commitdiff;h=20101026220312-3fd76-7b410fbe5cfc7761fbb3e81f47881c7c7cd5efac.gz