Avoid error message when /dev/wedges doesn't exist yet.

sbin/devpubd/hooks/02-wedgenames

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: 02-wedgenames,v 1.3 2015/03/01 14:21:17 mlelstv Exp $
+# $NetBSD: 02-wedgenames,v 1.4 2016/08/15 12:54:40 mlelstv Exp $
 #
 # Try to maintain symlinks to wedge devices
 #
@@ -12,7 +12,7 @@ devices=$@
 wedgedir=/dev/wedges
 
 remove_wedge() {
-	find $wedgedir -print \
+	test -d $wedgedir && find $wedgedir -print \
 	| sed -e 's# #\\ #g' \
 	| while read w; do
 		t=$(readlink "$w")