Signal the correct change when unsetting the sound output.

Otherwise we don't notice when the output is set back to
whetever happens to be the default.

diff --git a/src/lib/config.h b/src/lib/config.h
index f3d080b0bdc4552c00055418695a003d0f6d7814..9e6b747a2078baa0c2e303cf0ede447f08cf6803 100644 (file)
--- a/src/lib/config.h
+++ b/src/lib/config.h
@@ -963,7 +963,7 @@ public:
                }
 
                _sound_output = boost::none;
-               changed ();
+               changed(SOUND_OUTPUT);
        }
 
        void set_kdm_container_name_format (dcp::NameFormat n) {