authentication : do not try to log an array like a string

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4812 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

authentication.php

@@ -334,7 +334,13 @@ class authentication
         foreach ($serversParam as $param=>$value)
         {
           if ($this->debug)
-            echo "Add param '$param' with value '$value' to auth$method\n";
+          {
+            if (is_array ($value))
+              echo "Add param '$param' to auth$method : ".
+                var_export ($value, true)."\n";
+            else
+              echo "Add param '$param' with value '$value' to auth$method\n";
+          }
           $authmethod->$param = $value;
         }
         $authmethod->connect ();