Fix testing canonicalize on cygwin. * modules/canonicalize-lgpl-tests (test_canonicalize_lgpl_LDADD): Revert patch from 2007-06-19. * tests/test-canonicalize-lgpl.c (main): Instead, skip test when canonicalize module is also in use. * tests/test-canonicalize.c: New file. * tests/test-canonicalize.sh: Likewise. * modules/canonicalize-tests: Likewise.