Fix conflict with external ticketsup module

htdocs/install/mysql/tables/llx_ticket_extrafields.sql

@@ -0,0 +1,24 @@
+-- Copyright (C) 2013  Jean-François FERRY <hello@librethic.io>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <http://www.gnu.org/licenses/>.
+--
+--
+
+create table llx_ticket_extrafields
+(
+  rowid            integer AUTO_INCREMENT PRIMARY KEY,
+  tms              timestamp,
+  fk_object        integer NOT NULL,    -- ticket id
+  import_key       varchar(14)      	-- import key
+)ENGINE=innodb;