patch applied (ghc-6.6/testsuite): Add a test that checks pretty-printed TH output looks right

[Ian Lynagh]

Thu Apr  5 04:40:05 PDT 2007  Ian Lynagh <igloo at earth.li>
  * Add a test that checks pretty-printed TH output looks right

    A ./tests/ghc-regress/th/TH_ppr1.hs
    A ./tests/ghc-regress/th/TH_ppr1.stdout
    M ./tests/ghc-regress/th/all.T +2