[install] In an installed Parrot, the .pmc file and the .dump file generated from it may have the same timestamp. Be smarter in deciding whether to regenerate a .dump file by checking if its timestamp is greater than *or equal to* the timestamp of the .pmc file.
[install] In an installed Parrot, the .pmc file and the .dump file
generated from it may have the same timestamp. Be smarter in deciding
whether to regenerate a .dump file by checking if its timestamp is
greater than *or equal to* the timestamp of the .pmc file.


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@36808 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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