Track getting almost working.
diff --git a/src/libmtp.h.in b/src/libmtp.h.in
index 9600fb6..e0eb696 100644
--- a/src/libmtp.h.in
+++ b/src/libmtp.h.in
@@ -122,10 +122,10 @@
* @defgroup tracks The track management API.
* @{
*/
-int LIBMTP_Get_Track_To_File(LIBMTP_mtpdevice_t*, uint32_t, char*,
- LIBMTP_progressfunc_t*, void*);
-int LIBMTP_Get_Track_To_File_Descriptor(LIBMTP_mtpdevice_t*, uint32_t, int,
- LIBMTP_progressfunc_t*, void*);
+int LIBMTP_Get_Track_To_File(LIBMTP_mtpdevice_t*, uint32_t, char const * const,
+ LIBMTP_progressfunc_t const * const, void const * const);
+int LIBMTP_Get_Track_To_File_Descriptor(LIBMTP_mtpdevice_t*, uint32_t const, int const,
+ LIBMTP_progressfunc_t const * const, void const * const);
/** @} */
/* End of C++ exports */
#ifdef __cplusplus