patch applied (cabal): Check for duplicate testsuite names

[Duncan Coutts]

Thu May 27 12:54:38 PDT 2010  Thomas Tuegel <ttuegel at gmail.com>
  * Check for duplicate testsuite names
  Ticket #215 (Overhaul support for packages' tests). During 
  package configuration, check for testsuites with the same name 
  as other testsuites or executables.

    M ./Distribution/PackageDescription/Configuration.hs -1 +3

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=20100527195438-30370-7e088cc66f489aa014de8d30023fa30636e32619.gz