1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/util.h b/src/lib/util.h
index 87735ea8e..b76aead41 100644
--- a/src/lib/util.h
+++ b/src/lib/util.h
@@ -57,6 +57,7 @@ extern std::vector<std::string> split_at_spaces_considering_quotes (std::string)
 extern std::string md5_digest (std::string);
 extern std::string md5_digest (void const *, int);
 extern void ensure_ui_thread ();
+extern std::string audio_channel_name (int);
 
 typedef int SourceFrame;