Add a FTS Config test to unaccent contrib

Author: Aleksandr Parfenov

contrib/unaccent/expected/unaccent.out

@@ -61,3 +61,14 @@ SELECT ts_lexize('unaccent', '
  {����}
 (1 row)
 
+CREATE TEXT SEARCH CONFIGURATION unaccent(
+						COPY=russian
+);
+ALTER TEXT SEARCH CONFIGURATION unaccent ALTER MAPPING FOR
+	asciiword, word WITH unaccent MAP russian_stem;
+SELECT to_tsvector('unaccent', 'foobar ����� ����');
+         to_tsvector          
+------------------------------
+ 'foobar':1 '�����':2 '���':3
+(1 row)
+

contrib/unaccent/sql/unaccent.sql

@@ -2,7 +2,6 @@ CREATE EXTENSION unaccent;
 
 -- must have a UTF8 database
 SELECT getdatabaseencoding();
-
 SET client_encoding TO 'KOI8';
 
 SELECT unaccent('foobar');
@@ -16,3 +15,12 @@ SELECT unaccent('unaccent', '
 SELECT ts_lexize('unaccent', 'foobar');
 SELECT ts_lexize('unaccent', '£ÌËÁ');
 SELECT ts_lexize('unaccent', '³öéë');
+
+CREATE TEXT SEARCH CONFIGURATION unaccent(
+						COPY=russian
+);
+
+ALTER TEXT SEARCH CONFIGURATION unaccent ALTER MAPPING FOR
+	asciiword, word WITH unaccent MAP russian_stem;
+
+SELECT to_tsvector('unaccent', 'foobar ³öéëé £ÌËÉ');