test: follow Groonga change to fix a test

ref: groonga/groonga@2eaf537#diff-aaf04cad70106b22b9cdff81f8a532b6R119

mysql-test/mroonga/storage/create/table/index/normalizer/r/no_utf8_charset_with_utf8_normalizer.result

@@ -6,7 +6,7 @@ content VARCHAR(64) NOT NULL,
 FULLTEXT INDEX (content) COMMENT 'normalizer "NormalizerMySQLGeneralCI"'
 ) DEFAULT CHARSET=latin1;
 INSERT INTO diaries VALUES ("2013-04-23", "I drunk a black cookie.");
-ERROR HY000: [tokenizer] failed to open normalized string
+ERROR HY000: [tokenizer][normalize] failed to open normalized string
 SELECT * FROM diaries;
 day	content
 DROP TABLE diaries;