XMP Toolkit's `XmpFile::close` can trigger undefined behavior
Affected versions of the crate failed to catch C++ exceptions raised within the XmpFile::close function. If such an exception occured, it would trigger undefined behavior, typically a process abort. This is best demonstrated in issue #230, where a race condition causes the close call to fail due to file I/O errors. This was fixed in PR #232 (released as crate version 1.9.0), which now safely handles the exception. For backward …