static void ESNew( demux_t *, int );
static int ProbeDVD( demux_t *, char * );
-static char *DemuxGetLanguageCode( demux_t *p_demux, char *psz_var );
+static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
/*****************************************************************************
* DemuxOpen:
/* Get a 2 char code
* FIXME: partiallyy duplicated from src/input/es_out.c
*/
-static char *DemuxGetLanguageCode( demux_t *p_demux, char *psz_var )
+static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
{
const iso639_lang_t *pl;
char *psz_lang;