subsys: netusb: use usb_cdc.h header

Signed-off-by: Johann Fischer <j.fischer@phytec.de>
diff --git a/subsys/usb/class/netusb/netusb.c b/subsys/usb/class/netusb/netusb.c
index 7010edb..3911c4f 100644
--- a/subsys/usb/class/netusb/netusb.c
+++ b/subsys/usb/class/netusb/netusb.c
@@ -14,7 +14,7 @@
 
 #include <usb_device.h>
 #include <usb_common.h>
-#include <class/cdc_acm.h>
+#include <class/usb_cdc.h>
 
 #include <net_private.h>