Add collation versions for FreeBSD.
On FreeBSD 13, use querylocale() to read the current version of libc
collations. Similar to commits 352f6f2d for Windows and d5ac14f9 for
GNU/Linux.
Discussion: https://postgr.es/m/CAEepm%3D0uEQCpfq_%2BLYFBdArCe4Ot98t1aR4eYiYTe%3DyavQygiQ%40mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/ca051d8b101d3205f1c5faf0d1da8a523ffc95a1
Modified Files
--------------
doc/src/sgml/charset.sgml | 3 ++-
src/backend/utils/adt/pg_locale.c | 20 ++++++++++++++++++++
2 files changed, 22 insertions(+), 1 deletion(-)