Add default charset table

lib/classes/sphinx/configuration.class.php

@@ -76,6 +76,8 @@ class sphinx_configuration
 
     $options = array_merge($defaults, $options);
 
+    $options['charset_tables'] = array_unique($options['charset_tables']);
+
     $lb = phrasea::sbas_params();
 
     $conf = '';
@@ -439,7 +441,7 @@ class sphinx_configuration
     path                  = /var/sphinx/datas/docs_realtime_' . $serialized . '
 
 
-' . $charset_abstract . '
+    ' . $charset_abstract . '
 
     rt_field              = value
 #    rt_field              = meta_struct_id