language : do not set the cookie if it is not needed. Update it if it is valid

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4261 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

language.php

@@ -326,10 +326,13 @@ class language
     if ($forcedLanguage !== null)
       $languageCode = $forcedLanguage;
     elseif ($langCookie !== FALSE)
+    {
       $languageCode = $langCookie;
+      // Update the already set cookie
+      $this->languageCookieSet ($languageCookie, $languageCode, "/");
+    }
     else
       $languageCode = $langNav;
-    $this->languageCookieSet ($languageCookie, $languageCode, "/");
     // Cache the domframework's .mo file too
     $dfFile = $this->languageCache ($languageCode, "domframework", LC_MESSAGES,
                                     dirname (__FILE__)."/locale");