Patch to fix bug#50981. Replace now the result ::1 by localhost for Windows. Both is valid.

mysql-test/include/ipv6.inc

@@ -6,7 +6,9 @@ eval SET @nip= inet_aton('$IPv6');
 SELECT @nip;
 SELECT inet_ntoa(@nip);
 # delivers a wrong value, see bug#34037
+--replace_result ::1 localhost
 SELECT USER();
+--replace_result ::1 localhost
 SELECT current_user();
 --disable_result_log
 SHOW PROCESSLIST;
@@ -17,6 +19,7 @@ disconnect con1;
 eval REVOKE ALL ON test.* FROM testuser@'$IPv6';
 eval RENAME USER testuser@'$IPv6' to testuser1@'$IPv6';
 eval SET PASSWORD FOR testuser1@'$IPv6' = PASSWORD ('9876');
+--replace_result ::1 localhost
 SELECT USER();
 eval DROP USER testuser1@'$IPv6';