pgsql: Fix comment of tsquerysend()

Fix comment of tsquerysend()

The comment describes the order in which fields are sent, and it had one
of the fields in the wrong place.

This has been wrong since e6dbcb72fafa (2008), so backpatch all the way
back.

Author: Emre Hasegeli <emre@hasegeli.com>
Discussion: https://postgr.es/m/CAE2gYzzf38bR_R=izhpMxAmqHXKeM5ajkmukh4mNs_oXfxcMCA@mail.gmail.com

Branch
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REL_16_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/2dac114e2c3fc584a94c4820e27396567faed050

Modified Files
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src/backend/utils/adt/tsquery.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)