patch applied (ghc-6.8/ghc): FIX BUILD `set -o igncr'-issue on FreeBSD

[Ian Lynagh]

Wed Sep 26 13:37:50 PDT 2007  jochemberndsen at dse.nl
  * FIX BUILD `set -o igncr'-issue on FreeBSD
  `set -o igncr' does not work on non-cygwin-systems.
  Fail silently if this command does not work, instead
  of aborting the build.
  

    M ./gmp/Makefile -2 +7