[-] BO : fixed bug #PSTEST-1144 - carrier image problem

classes/Carrier.php

@@ -174,6 +174,7 @@ class CarrierCore extends ObjectModel
 			$this->id_tax_rules_group = $this->getIdTaxRulesGroup(Context::getContext());
 		if ($this->name == '0')
 			$this->name = Configuration::get('PS_SHOP_NAME');
+		$this->image_dir = _PS_SHIP_IMG_DIR_;
 	}
 
 	public function add($autodate = true, $null_values = false)

controllers/admin/AdminCarriersController.php

@@ -484,7 +484,7 @@ class AdminCarriersControllerCore extends AdminController
 								'id_carrier' => (int)$current_carrier->id,
 								'carrier' => $new_carrier
 							));
-
+							$new_carrier->deleteImage();
 							$this->postImage($new_carrier->id);
 							$this->changeZones($new_carrier->id);
 							$new_carrier->setTaxRulesGroup((int)Tools::getValue('id_tax_rules_group'));