[IMP] Only displays warning in m2o if the user typed something.
[IMP] Only displays warning in m2o if the user typed something.


havt/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web,akretion/openerp-web,akretion/openerp-web,havt/openerp-web