patch applied (ghc): Avoid running empty for loops; fixes trac #3683

[Ian Lynagh]

Tue Dec  1 04:59:27 PST 2009  Ian Lynagh <igloo at earth.li>
  * Avoid running empty for loops; fixes trac #3683
  Solaris's sh gives
      /bin/sh: syntax error at line 1: `;' unexpected
  when faced with something like
      for x in ; do ...; done
  Patch from Christian Maeder.

    M ./rules/distdir-way-opts.mk +8

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20091201125927-3fd76-ad6f49fa54baabb076ad838b7aa2ece014625653.gz