patch applied (testsuite): Add a test for changes to C files causing relinking

[Ian Lynagh]

Sun Sep 23 11:15:58 PDT 2007  Ian Lynagh <igloo at earth.li>
  * Add a test for changes to C files causing relinking

    A ./tests/ghc-regress/driver/recomp004/
    A ./tests/ghc-regress/driver/recomp004/Main.hs
    A ./tests/ghc-regress/driver/recomp004/Makefile
    A ./tests/ghc-regress/driver/recomp004/all.T
    A ./tests/ghc-regress/driver/recomp004/c.h
    A ./tests/ghc-regress/driver/recomp004/c1.c
    A ./tests/ghc-regress/driver/recomp004/c2.c
    A ./tests/ghc-regress/driver/recomp004/recomp004.stdout