Cant compile webvtt current git build

  CC       codec/webvtt/libwebvtt_plugin_la-CSSGrammar.lo
codec/webvtt/CSSGrammar.c:71:25: error: conflicting types for 'csserror'; have 'int(void *, vlc_css_parser_t *, const char *)'
   71 | #define yyerror         csserror
      |                         ^~~~~~~~
../../modules/codec/webvtt/CSSGrammar.y:70:12: note: in expansion of macro 'yyerror'
   70 | static int yyerror(yyscan_t scanner, vlc_css_parser_t *p, const char *msg)
      |            ^~~~~~~
codec/webvtt/CSSGrammar.c:237:6: note: previous declaration of 'csserror' with type 'void(void *, vlc_css_parser_t *, const char *)'
  237 | void csserror (yyscan_t scanner, vlc_css_parser_t *css_parser, const char *msg);
      |      ^~~~~~~~
make[4]: *** [Makefile:30301: codec/webvtt/libwebvtt_plugin_la-CSSGrammar.lo] Error 1

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