patch applied (packages/base): Hugs only: avoid dependency cycle

[Ross Paterson]

Tue Jul 24 04:38:52 PDT 2007  Ross Paterson <ross at soi.city.ac.uk>
  * Hugs only: avoid dependency cycle

    M ./Foreign/C/Error.hs +3
    M ./System/Posix/Internals.hs -3 +4