Make signal mapping changeable by right-clicking on the preview.

[nageru] / bmusb

diff --git a/bmusb b/bmusb
index 4a275155fbd23690652c0478b12363d254f84e16..cd4dd0ed2eaf14fc50f0601295c821a41b603490 160000 (submodule)
--- a/bmusb
+++ b/bmusb
@@ -1 +1 @@
-Subproject commit 4a275155fbd23690652c0478b12363d254f84e16
+Subproject commit cd4dd0ed2eaf14fc50f0601295c821a41b603490