Ticket #21691: wplang-duh.diff

wp-includes/formatting.php

@@ -2827 +2827 @@
 
                 case 'WPLANG':
                         $allowed = get_available_languages();
-                        if ( ! in_array( $value, $allowed ) && ! empty( $value ) )
+                        if ( in_array( $value, $allowed ) && ! empty( $value ) )
                                 $value = get_option( $option );
                         break;