[1.6.2][frontend]error at trigger copy

[fripper]

an error occurs trigger copying at frontend

1. go trigger list
configuration -> trigger
2. select some trigger(s)
enable check at left side of trigger(s)
3.press button [Copy selected]

4.select target type [host group]

when select [host group],sql format error was occured

fix patch [forms.inc.php] is below