Be less verbose on overflow.

[nageru] / bmusb

diff --git a/bmusb b/bmusb
index 76d42863dafcc8ab3b60df73c0caae9f98545a2a..f38bf2bef09e52ba1e15678f5688132f282b50c2 160000 (submodule)
--- a/bmusb
+++ b/bmusb
@@ -1 +1 @@
-Subproject commit 76d42863dafcc8ab3b60df73c0caae9f98545a2a
+Subproject commit f38bf2bef09e52ba1e15678f5688132f282b50c2