Fix remove some warnings

htdocs/core/class/commonobject.class.php

@@ -768,9 +768,10 @@ abstract class CommonObject
      *    @param	int			$statut		Status of links to get (-1=all)
      *    @param	string		$source		Source of contact: external or thirdparty (llx_socpeople) or internal (llx_user)
      *    @param	int         $list       0:Return array contains all properties, 1:Return array contains just id
+     *    @param    string      $code       Filter on this code of contact type ('SHIPPING', 'BILLING', ...)
      *    @return	array		            Array of contacts
      */
-    function liste_contact($statut=-1,$source='external',$list=0)
+    function liste_contact($statut=-1,$source='external',$list=0,$code='')
     {
         global $langs;
 
@@ -788,6 +789,7 @@ abstract class CommonObject
         $sql.= " WHERE ec.element_id =".$this->id;
         $sql.= " AND ec.fk_c_type_contact=tc.rowid";
         $sql.= " AND tc.element='".$this->element."'";
+        if ($code) $sql.= " AND tc.code = '".$this->db->escape($code)."'";
         if ($source == 'internal') $sql.= " AND tc.source = 'internal'";
         if ($source == 'external' || $source == 'thirdparty') $sql.= " AND tc.source = 'external'";
         $sql.= " AND tc.active=1";
@@ -825,7 +827,7 @@ abstract class CommonObject
         }
         else
         {
-            $this->error=$this->db->error();
+            $this->error=$this->db->lasterror();
             dol_print_error($this->db);
             return -1;
         }

htdocs/core/lib/pdf.lib.php

@@ -1922,6 +1922,8 @@ function pdf_getLinkedObjects($object,$outputlangs)
 			{
 				$elementobject->fetchObjectLinked();
 
+				if (count($elementobject->linkedObjects) > 0)
+				{
     				$order = reset($elementobject->linkedObjects['commande']);  // Get first order
     
     				if (! empty($object->linkedObjects['commande']))	// There is already a link to order so we show only info of shipment
@@ -1943,6 +1945,7 @@ function pdf_getLinkedObjects($object,$outputlangs)
 				}
 			}
 		}
+	}
 
 	// For add external linked objects
 	if (is_object($hookmanager))