patch applied (ghc): Rename Opt_Allow* to Opt_* to match the language names

[Ian Lynagh]

Sat Aug  4 08:54:25 PDT 2007  Ian Lynagh <igloo at earth.li>
  * Rename Opt_Allow* to Opt_* to match the language names

    M ./compiler/main/DynFlags.hs -9 +9
    M ./compiler/typecheck/Inst.lhs -2 +2
    M ./compiler/typecheck/TcMType.lhs -2 +2