Use $_disk consistently over $1 in md_installboot(); no functional change

Somehow I did not amend those right away when adding local _disk in r1.43

diff --git a/distrib/arm64/ramdisk/install.md b/distrib/arm64/ramdisk/install.md
index 0c4a8dc..51d20be 100644 (file)
--- a/distrib/arm64/ramdisk/install.md
+++ b/distrib/arm64/ramdisk/install.md
@@ -1,4 +1,4 @@
-#      $OpenBSD: install.md,v 1.48 2023/10/11 17:53:52 kn Exp $
+#      $OpenBSD: install.md,v 1.49 2024/04/17 04:36:39 kn Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -46,9 +46,9 @@ md_installboot() {
        raspberrypi,*)          _plat=rpi;;
        esac
 
-       if ! installboot -r /mnt ${1}; then
+       if ! installboot -r /mnt $_disk; then
                echo "\nFailed to install bootblocks."
-               echo "You will not be able to boot OpenBSD from ${1}."
+               echo "You will not be able to boot OpenBSD from $_disk."
                exit
        fi