入仓修改品牌错误，货物行数错误

 http://zentao.jdshangmen.com/bug-view-664.html

src/views/ecw/order/warehousing/components/editDialog.vue

@@ -431,7 +431,7 @@ export default {
     opened(val) {
       if (val) {
         this.form.material = this.warehousing.material
-        this.form.brand = this.warehousing.brand
+        this.form.brand = this.warehousing.brand || '0'
         this.handleBrandChange(this.form.brand)
       } else {
         this.$emit('update:visible', false)