patch applied (testsuite): stm is no longer a corelib, so needs to be reqlib' ed now

[Ian Lynagh]

Fri May  4 17:48:35 PDT 2007  Ian Lynagh <igloo at earth.li>
  * stm is no longer a corelib, so needs to be reqlib'ed now

    M ./tests/ghc-regress/concurrent/should_run/all.T -12 +12