Fix AudioUnit, missing const in cbef72b8a13

diff --git a/libs/ardour/ardour/audio_unit.h b/libs/ardour/ardour/audio_unit.h
index 3a01349dd36887e7e771a93b3cc23b8cc424c8ae..55faf4a08e462092ea3da649e29f7481c663470a 100644 (file)
--- a/libs/ardour/ardour/audio_unit.h
+++ b/libs/ardour/ardour/audio_unit.h
@@ -216,7 +216,7 @@ class LIBARDOUR_API AUPlugin : public ARDOUR::Plugin
        samplecnt_t input_offset;
        samplecnt_t *cb_offsets;
        BufferSet* input_buffers;
-       ChanMapping * input_map;
+       ChanMapping const * input_map;
        samplecnt_t samples_processed;
        uint32_t   audio_input_cnt;