Re-work recent dottiness in java.io.RandomAccessTest #4503
Merged
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kitbellew kindly noticed that changes to
java.io.RandomAccessTestTestcanNotOpenReadOnlyFileForWritedid not make sense. Those changes were introduced in PR #4474.
Re-work that dottiness to:
make it clear that the change is required for Windows.
Linux & macOS do not require the change in file protection.
Making the protection change explicit makes the logic easier
to follow without knowing specific os pecularities.
restore the prior and correct try/finally block structure.
My thanks to kitbellew for the discovery & report.