/* Enable or disable a certain object debug messages */
#define msg_EnableObjectPrinting(a,b) __msg_EnableObjectPrinting(VLC_OBJECT(a),b)
#define msg_DisableObjectPrinting(a,b) __msg_DisableObjectPrinting(VLC_OBJECT(a),b)
-VLC_EXPORT( void, __msg_EnableObjectPrinting, ( vlc_object_t *, char * psz_object ) );
-VLC_EXPORT( void, __msg_DisableObjectPrinting, ( vlc_object_t *, char * psz_object ) );
+VLC_EXPORT( void, __msg_EnableObjectPrinting, ( vlc_object_t *, const char * psz_object ) );
+VLC_EXPORT( void, __msg_DisableObjectPrinting, ( vlc_object_t *, const char * psz_object ) );
/**
* @}