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-rwxr-xr-xsupport/openvpn/up.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/support/openvpn/up.sh b/support/openvpn/up.sh
index 14569325..c52ea048 100755
--- a/support/openvpn/up.sh
+++ b/support/openvpn/up.sh
@@ -34,7 +34,7 @@ while true; do
elif [ "${opt}" != "${opt#dhcp-option DNS *}" ]; then
NS="${NS}nameserver ${opt#dhcp-option DNS *}\n"
fi
- i=$((${i} + 1))
+ : $(( i += 1 ))
done
if [ -n "${NS}" ]; then