Make it compile without USB_DEBUG. From Chris Jones.

sys/dev/usb/ucom.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: ucom.c,v 1.17 2000/04/05 11:11:33 augustss Exp $	*/
+/*	$NetBSD: ucom.c,v 1.18 2000/04/05 21:24:11 augustss Exp $	*/
 
 /*
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -722,7 +722,7 @@ ucom_rts(sc, onoff)
 		    UCOM_SET_RTS, onoff);
 }
 
-Static void
+void
 ucom_status_change(sc)
 	struct ucom_softc *sc;
 {
@@ -894,7 +894,7 @@ out:
 	splx(s);
 }
 
-Static void
+void
 ucomstop(tp, flag)
 	struct tty *tp;
 	int flag;
@@ -1030,7 +1030,7 @@ ucom_cleanup(sc)
 
 #endif /* NUCOM > 0 */
 
-Static int
+int
 ucomprint(aux, pnp)
 	void *aux;
 	const char *pnp;
@@ -1041,7 +1041,7 @@ ucomprint(aux, pnp)
 	return (UNCONF);
 }
 
-Static int
+int
 ucomsubmatch(parent, cf, aux)
 	struct device *parent;
 	struct cfdata *cf;