[FIX] base_multi_image_image hook

[mileo]

2020-04-18 18:00:52,359 1672245 WARNING db openerp.addons.base.ir.ir_translation: module product_m2mcategories: no translation for language pt_BR
2020-04-18 18:00:52,387 1672245 ERROR db openerp.sql_db: Programming error: syntax error at or near "%"
LINE 10:                     %s,
                             ^
, in query 
                INSERT INTO base_multi_image_image (
                    owner_id,
                    owner_model,
                    storage,
                    file_db_store
                )
                SELECT
                    id,
                    %%s,
                    'db',
                    %(field)s
                FROM
                    %(table)s
                WHERE
                    %(field)s IS NOT NULL
            
2020-04-18 18:00:52,388 1672245 CRITICAL db openerp.service.server: Failed to initialize database `db`.

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