patch applied (cabal): Fix register --global/--user

[Duncan Coutts]

Sat May 15 14:32:04 PDT 2010  Duncan Coutts <duncan at haskell.org>
  * Fix register --global/--user
  It is a rather silly feature and is not guaranteed to work. Having
  configured and built using one set of dbs, there's no guarantee you
  can register into another set. We should probably just remove it.

    M ./Distribution/Simple/Register.hs -3 +7

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=20100515213204-adfee-1959d54758b57b95cbe41cf7d9795f7a5cff1afe.gz