[Octave-bug-tracker] [bug #55427] save -v7 exits with "error compressing data element"

[Markus Mützel]

Follow-up Comment #10, bug #55427 (project octave):

Thanks for the test program.

Instead of estimating the size of the destination buffer with our own
calculation, we could maybe use `compressBound`.
It looks like this function was added to zlib in version 1.2.0 (in 2003). So
we probably can use it without a configure check:
https://github.com/madler/zlib/blob/master/ChangeLog#L998

That fixes the error for me with the test program by @arb on mingw64. 

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