Thread: pgsql: Fix earthdistance test suite function name typo.

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).

Branch
------
REL9_6_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/9abc6565cd75cd5bd64b73da140469040429ce53

Modified Files
--------------
contrib/earthdistance/expected/earthdistance.out | 44 +++++++++++++-----------
contrib/earthdistance/sql/earthdistance.sql      |  8 ++---
2 files changed, 28 insertions(+), 24 deletions(-)