Fix syntax error with multiple "set" args

distrib/sets/makeflist

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: makeflist,v 1.6 1997/11/09 20:47:31 chopps Exp $
+# $NetBSD: makeflist,v 1.7 1997/12/15 18:45:45 gwr Exp $
 #
 # Print out the files in some or all lists.  Usage:
 # makeflist [-arch arch] [-setd setsdir] [-x11] [setname ...]
@@ -25,7 +25,7 @@ do
 	esac
 	shift
 done
-[ "$@" ] && lists="$@"
+[ "$1" ] && lists="$@"
 
 # EXTRA SPECIAL (not done here): secr