Noah Misch fb17eabf1b Fix earthdistance test suite function name typo.
Affected test queries have been testing the wrong thing since their
introduction in commit 4c1383efd132e4f532213c8a8cc63a455f55e344.
Back-patch to 9.3 (all supported versions).
2018-07-29 12:02:07 -07:00
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