patch applied (ghc): Refactor configure to fix building on msys

[Ian Lynagh]

Thu Oct  8 08:03:45 PDT 2009  Ian Lynagh <igloo at earth.li>
  * Refactor configure to fix building on msys

    M ./aclocal.m4 -36 +2
    M ./configure.ac -35 +48

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20091008150345-3fd76-5def748ac21ba969afa485a95889944708d229ca.gz