ppc64le - fix test failure of TestSegmentize/GEOMETRYCOLLECTION_

[prashantkhoje]

Allow floating point approximation within an epsilon

[blathers-crl]

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[cockroach-teamcity]

This change is 

[prashantkhoje]

@otan, please review.

[rafiss]

thank you! lgtm, but needs a small commit message update

Reviewable status: complete! 0 of 0 LGTMs obtained (waiting on @prashantkhoje and @rafiss)

---

-- commits line 2 at r1:
please add Release note: None to the commit message body

[blathers-crl]

Thank you for updating your pull request.

My owl senses detect your PR is good for review. Please keep an eye out for any test failures in CI.

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[rafiss]

thank you!

bors r+

[craig]

Build succeeded:

• GitHub CI (Cockroach)