o add missing $lang

o use of l10n_dec
  o normalize file header


git-svn-id: http://piwigo.org/svn/trunk@1932 68402e56-0260-453c-a942-63ccdbb3a9ee

include/menubar.inc.php

@@ -152,10 +152,10 @@ if ('tags' == $page['section'])
               )
             )
           ),
-        'TITLE' => sprintf(
-          l10n('%d pictures are also linked to current tags'),
-          $tag['counter']
-          ),
+        'TITLE' => l10n_dec(
+            '%d picture are also linked to current tags',
+            '%d pictures are also linked to current tags',
+            $tag['counter']),
         )
       );