[FIX] Broken Dataset#unlink
[FIX] Broken Dataset#unlink

splbio/openerp-web,MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web,splbio/openerp-web,gisce/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,gisce/openerp-web