Trac #4945 is working again

This test greps in the ouput of -ddump-simpl, so it's fragile.
It stopped working for a while, but now works again. I don't know
why, but I don't have time to investigate, so I'll just mark it
as ok.

testsuite/tests/simplCore/should_compile/all.T

@@ -107,7 +107,7 @@ test('T4918',
      ['$MAKE -s --no-print-directory T4918'])
 
 test('T4945',
-     expect_broken(4945),
+     normal,
      run_command,
      ['$MAKE -s --no-print-directory T4945'])