const correctness for AudioMerger.

diff --git a/src/lib/audio_merger.h b/src/lib/audio_merger.h
index a6b7637f6aca07e696cbed77a8f5cff1a3ddc711..0201fcd4bfd433b57d82ba741e9d699bc6e6faf9 100644 (file)
--- a/src/lib/audio_merger.h
+++ b/src/lib/audio_merger.h
@@ -73,5 +73,5 @@ private:
        };
 
        std::list<Buffer> _buffers;
-       int _frame_rate;
+       int const _frame_rate;
 };