[REV] 1150, broke filter_domain in case of empty field
[REV] 1150, broke filter_domain in case of empty field

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