bmusb 0.7.4 is out, and we need it.

[nageru] / nageru / bmusb

diff --git a/nageru/bmusb b/nageru/bmusb
index 03e38890b599efe6ac906fdb70b43cda63f11d01..0c0182f453e8bc26e630615ea6d2a2f05e868fde 160000 (submodule)
--- a/nageru/bmusb
+++ b/nageru/bmusb
@@ -1 +1 @@
-Subproject commit 03e38890b599efe6ac906fdb70b43cda63f11d01
+Subproject commit 0c0182f453e8bc26e630615ea6d2a2f05e868fde