patch applied (cabal): For nhc98, restore ' systemGetStdout' under the name ' rawSystemStdout' :-)

[Malcolm Wallace]

Thu May  3 07:54:57 PDT 2007  Malcolm.Wallace at cs.york.ac.uk
  * For nhc98, restore 'systemGetStdout' under the name 'rawSystemStdout' :-)
  This should now be equivalent in functionality to what was previously removed.

    M ./Distribution/Compat/TempFile.hs -3 +22
    M ./Distribution/Simple/Utils.hs -8 +15