patch applied (testsuite): Fix running the testsuite on msys

[Ian Lynagh]

Mon Apr 12 11:41:03 PDT 2010  Ian Lynagh <igloo at earth.li>
  * Fix running the testsuite on msys
  I'm not entirely sure if the cygwin code is actually right (i.e. I'm
  not sure what calling convention it uses), but it seems to work.

    M ./driver/runtests.py -2 +10

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=testsuite;a=darcs_commitdiff;h=20100412184103-3fd76-dddf9d394c79a57692fe7bd7f255d4b0c732e467.gz