From 124c9fa3f4beab4039a4b8746220092ff3576af4 Mon Sep 17 00:00:00 2001
From: Luigi Rizzo <luigi@FreeBSD.org>
Date: Fri, 8 Mar 2002 12:33:48 +0000
Subject: [PATCH] Do not depend on "expr" for doing arithmetic, use the shell
 builtin functions (picobsd might not have the command available).

---
 release/picobsd/mfs_tree/etc/rc.network | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/release/picobsd/mfs_tree/etc/rc.network b/release/picobsd/mfs_tree/etc/rc.network
index d7ec035a9d1..82446818d16 100644
--- a/release/picobsd/mfs_tree/etc/rc.network
+++ b/release/picobsd/mfs_tree/etc/rc.network
@@ -21,7 +21,7 @@ network_pass1() {
 	    eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
 	    if [ -n "${ifconfig_args}" ]; then
 		ifconfig ${ifn} ${ifconfig_args} alias
-		alias=`expr ${alias} + 1`
+		alias=$((${alias} + 1))
 	    else
 		break;
 	    fi