| Index: third_party/libxml/src/encoding.c
 | 
| diff --git a/third_party/libxml/src/encoding.c b/third_party/libxml/src/encoding.c
 | 
| index 574e1aedeb46edd723a182af0093f06aab91b2c2..e49c7f898fcdf1d1625a8c4c95e9e01af80b8ea0 100644
 | 
| --- a/third_party/libxml/src/encoding.c
 | 
| +++ b/third_party/libxml/src/encoding.c
 | 
| @@ -93,7 +93,7 @@ xmlEncodingErrMemory(const char *extra)
 | 
|   *
 | 
|   * n encoding error
 | 
|   */
 | 
| -static void
 | 
| +static void LIBXML_ATTR_FORMAT(2,0)
 | 
|  xmlEncodingErr(xmlParserErrors error, const char *msg, const char *val)
 | 
|  {
 | 
|      __xmlRaiseError(NULL, NULL, NULL, NULL, NULL,
 | 
| 
 |