fix a mysql-5.5.50 merge: mysqlcheck

quote identifiers correctly

client/mysqlcheck.c

@@ -756,7 +756,7 @@ static int fix_table_storage_name(const char *name)
 
   if (strncmp(name, "#mysql50#", 9))
     DBUG_RETURN(1);
-  my_snprintf(qbuf, sizeof(qbuf), "RENAME TABLE `%s` TO `%s`",
+  my_snprintf(qbuf, sizeof(qbuf), "RENAME TABLE %`s TO %`s",
               name, name + 9);
 
   rc= run_query(qbuf);
@@ -773,7 +773,7 @@ static int fix_database_storage_name(const char *name)
 
   if (strncmp(name, "#mysql50#", 9))
     DBUG_RETURN(1);
-  my_snprintf(qbuf, sizeof(qbuf), "ALTER DATABASE `%s` UPGRADE DATA DIRECTORY "
+  my_snprintf(qbuf, sizeof(qbuf), "ALTER DATABASE %`s UPGRADE DATA DIRECTORY "
               "NAME", name);
   rc= run_query(qbuf);
   if (verbose)

mysql-test/r/mysqlcheck.result

@@ -339,3 +339,8 @@ Repairing views
 test.v1                                            OK
 drop view v1;
 drop table t1;
+create table `#mysql50#t1``1` (a int) engine=myisam;
+show tables;
+Tables_in_test
+t1`1
+drop table `t1``1`;

mysql-test/t/mysqlcheck.test

@@ -350,3 +350,8 @@ create table t1(a int);
 --exec $MYSQL_CHECK --process-views --check-upgrade --auto-repair test
 drop view v1;
 drop table t1;
+
+create table `#mysql50#t1``1` (a int) engine=myisam;
+--exec $MYSQL_CHECK --fix-table-names --databases test
+show tables;
+drop table `t1``1`;