patch applied (ghc-6.6/ghc): MERGED: Fix obscure bug in reportDeprecations

[Ian Lynagh]

Fri Feb 23 04:59:53 PST 2007  Ian Lynagh <igloo at earth.li>
  * MERGED: Fix obscure bug in reportDeprecations
  simonpj at microsoft.com**20070220174714
   
   Fixes Trac #1128
   Please merge to STABLE
   
   A rather obscure bug related to -fno-implicit-prelude.  
   See Note [Used names with interface not loaded] in RnNames.
   
   Easily fixed, however.  Test is rn051
  

    M ./compiler/rename/RnNames.lhs -8 +23