Fix: Maxi debug on stock decrease

htdocs/admin/stock.php

htdocs/commande/commande.class.php

htdocs/commande/liste.php

htdocs/expedition/commande.php

htdocs/expedition/fiche.php

htdocs/langs/en_US/products.lang

htdocs/langs/en_US/sendings.lang

htdocs/langs/en_US/stocks.lang

htdocs/langs/es_ES/products.lang

htdocs/langs/fr_BE/products.lang

htdocs/langs/fr_FR/orders.lang

htdocs/langs/fr_FR/products.lang

htdocs/langs/fr_FR/sendings.lang

htdocs/langs/fr_FR/stocks.lang

htdocs/langs/it_IT/stocks.lang

htdocs/product.class.php

htdocs/product/sousproduits/fiche.php

htdocs/product/stock/mouvementstock.class.php

htdocs/product/stock/product.php