Merge pull request #3329 from atm-gauthier/3.7_fix_add_user_on_event_in_create_mode

FIX : When we add an user on event in create mode, we lose linked object

htdocs/comm/action/card.php

@@ -751,6 +751,8 @@ if ($action == 'create')
 		print '<td colspan="3">'.dolGetElementUrl($originid,$origin,1).'</td></tr>';
 		print '<input type="hidden" name="fk_element" size="10" value="'.GETPOST('originid').'">';
 		print '<input type="hidden" name="elementtype" size="10" value="'.GETPOST('origin').'">';
+		print '<input type="hidden" name="originid" size="10" value="'.GETPOST('originid').'">';
+		print '<input type="hidden" name="origin" size="10" value="'.GETPOST('origin').'">';
 	}
 
 	if (GETPOST("datep") && preg_match('/^([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9])$/',GETPOST("datep"),$reg))