patch applied (ghc): Also build gmp shared if neccessary

[Simon Marlow]

Thu Aug  9 23:30:40 PDT 2007  Clemens Fruhwirth <clemens at endorphin.org>
  * Also build gmp shared if neccessary

    M ./gmp/Makefile -28 +43
    M ./rts/package.conf.in -1 +1