[CF 6084] Allow setting the collation strength in ICU tailoring rules.

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Patch(es): https://www.postgresql.org/message-id/c6bd2f2f-af29-4375-9538-86450bf4e499@manitou-mail.org
Author(s): Daniel Vérité

Author: Commitfest Bot

src/backend/utils/adt/pg_locale_icu.c

@@ -471,7 +471,7 @@ make_icu_collator(const char *iculocstr, const char *icurules)
 
 		status = U_ZERO_ERROR;
 		collator_all_rules = ucol_openRules(all_rules, u_strlen(all_rules),
-											UCOL_DEFAULT, UCOL_DEFAULT_STRENGTH,
+											UCOL_DEFAULT, UCOL_DEFAULT,
 											NULL, &status);
 		if (U_FAILURE(status))
 		{