patch applied (ghc): Use takeUniqFromSupply in IfaceEnv

[Ian Lynagh]

Thu Oct 21 05:03:04 PDT 2010  Ian Lynagh <igloo at earth.li>
  * Use takeUniqFromSupply in IfaceEnv
  This is a little nicer than having to explicitly split supplies and
  throw half of them away.

    M ./compiler/iface/IfaceEnv.lhs -12 +8

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20101021120304-3fd76-f22af8663d184ba16f55cbaadae84a1507ee4653.gz