patch applied (ghc-6.6/testsuite): Add a test for returning Int64s through the FFI

[Ian Lynagh]

Fri Dec 22 06:15:36 PST 2006  Ian Lynagh <igloo at earth.li>
  * Add a test for returning Int64s through the FFI

    M ./tests/ghc-regress/ccall/should_run/all.T +6
    A ./tests/ghc-regress/ccall/should_run/ffi018.h
    A ./tests/ghc-regress/ccall/should_run/ffi018.hs
    A ./tests/ghc-regress/ccall/should_run/ffi018.stdout
    A ./tests/ghc-regress/ccall/should_run/ffi018_c.c