patch applied (testsuite): In older compilers, only try to remove the profthreaded way if it exists

[Ian Lynagh]

Tue Jan 20 08:26:16 PST 2009  Ian Lynagh <igloo at earth.li>
  * In older compilers, only try to remove the profthreaded way if it exists
  Otherwise the testsuite driver fails.

    M ./config/ghc -1 +1

View patch online:
http://darcs.haskell.org/testsuite/_darcs/patches/20090120162616-3fd76-e938e7c5acf824d47731a13ccec00ec0df4c068c.gz