Index: parser-cfg.c
===================================================================
--- parser-cfg.c	(revision 29565)
+++ parser-cfg.c	(working copy)
@@ -35,7 +35,7 @@
  *  \param conffile Path to the config file.
  *  \return 1 on sucess, -1 on error.
  */
-int m_config_parse_config_file(m_config_t* config, char *conffile)
+int m_config_parse_config_file(m_config_t* config, const char *conffile)
 {
 #define PRINT_LINENUM	mp_msg(MSGT_CFGPARSER,MSGL_V,"%s(%d): ", conffile, line_num)
 #define MAX_LINE_LEN	10000
@@ -252,7 +252,7 @@
 {
 	int msg_lvl, i, r, ret = 0;
 	char* arg;
-	m_option_t* opt;
+	const m_option_t* opt;
 
 	// Hack to shutup the parser error messages.
 	msg_lvl = mp_msg_levels[MSGT_CFGPARSER];
Index: parser-cfg.h
===================================================================
--- parser-cfg.h	(revision 29565)
+++ parser-cfg.h	(working copy)
@@ -3,7 +3,7 @@
 
 #include "m_config.h"
 
-int m_config_parse_config_file(m_config_t* config, char *conffile);
+int m_config_parse_config_file(m_config_t* config, const char *conffile);
 
 int m_config_preparse_command_line(m_config_t *config, int argc, char **argv);