PunBB 1.3-1.3.3 hotfix for a potential XSS attack on password change.

hotfix_133_xss_attack_in_profile PunBB 1.3-1.3.3 hotfix for a potential XSS attack on password change. 1.0 XSS vulnerability on password change in profile.php is fixed. Reported by Richard Sammet. PunBB Development Team 1.3 1.3.3