Bug 357677 Crash on enter_bug.cgi

Patch by Fr��d��ric Buclin <LpSolit@gmail.com>
r=ghendricks r=colin.ogilvie

Object->new_from_list() orders the list by LIST_ORDER
which have these defaults:
LIST_ORDER => NAME_FIELD
NAME_FIELD => 'name'

but the profiles table has login_name, not name
so this object needs to set NAME_FIELD

webtools/bugzilla/Bugzilla/User.pm

@@ -90,6 +90,7 @@ use constant DB_COLUMNS => (
 );
 use constant NAME_FIELD => 'login_name';
 use constant ID_FIELD   => 'userid';
+use constant LIST_ORDER => NAME_FIELD;
 
 use constant REQUIRED_CREATE_FIELDS => qw(login_name cryptpassword);