Add needed EXTRA_DIST for libusbx.
diff --git a/compat/libusb-1.0/Makefile.am b/compat/libusb-1.0/Makefile.am
index 3f1e7d2..4bab514 100644
--- a/compat/libusb-1.0/Makefile.am
+++ b/compat/libusb-1.0/Makefile.am
@@ -2,7 +2,7 @@ AUTOMAKE_OPTIONS = dist-bzip2 no-dist-gzip
ACLOCAL_AMFLAGS = -I m4
DISTCLEANFILES = libusb-1.0.pc
MAINTAINERCLEANFILES = ChangeLog
-EXTRA_DIST = TODO PORTING
+EXTRA_DIST = TODO PORTING libusb/libusb-1.0.def libusb/version_nano.h
SUBDIRS = libusb
pkgconfigdir=$(libdir)/pkgconfig