Fix comment: vmctl command options come before arguments

src/etc/examples/vm.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: vm.conf,v 1.8 2017/11/11 02:50:07 mlarkin Exp $
+# $OpenBSD: vm.conf,v 1.9 2019/12/14 09:46:02 kn Exp $
 
 #
 # Macros
@@ -25,7 +25,7 @@ switch "local" {
 vm "openbsd.vm" {
 	boot $sets "bsd.rd"
 
-	# First disk from 'vmctl create "/home/vm/OpenBSD.img" -s 4G'
+	# First disk from 'vmctl create -s 4G "/home/vm/OpenBSD.img"'
 	disk "/home/vm/OpenBSD.img"
 
 	# Second disk from OpenBSD contains the install sets