[Buildroot] [PATCH v2 7/8] package/dhcp/S80dhcp-server: support IPv6 lease file

["Benoît Thébaudeau" <benoit@wsystem.com>]

The IPv6 lease file has a different name.

Signed-off-by: Beno?t Th?baudeau <benoit@wsystem.com>

---
Changes v1 -> v2:
 - Rebase.
---
 package/dhcp/S80dhcp-server | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/package/dhcp/S80dhcp-server b/package/dhcp/S80dhcp-server
index 1c2ff74..b6f76ee 100755
--- a/package/dhcp/S80dhcp-server
+++ b/package/dhcp/S80dhcp-server
@@ -25,7 +25,10 @@ case "$1" in
 	start)
 		printf "Starting DHCP server: "
 		test -d /var/lib/dhcp/ || mkdir -p /var/lib/dhcp/
-		test -f /var/lib/dhcp/dhcpd.leases || touch /var/lib/dhcp/dhcpd.leases
+		for lease_file in /var/lib/dhcp/dhcpd.leases \
+					/var/lib/dhcp/dhcpd6.leases; do
+			test -f "${lease_file}" || touch "${lease_file}"
+		done
 		start-stop-daemon -S -q -x /usr/sbin/dhcpd -- -q $OPTIONS $INTERFACES
 		[ $? = 0 ] && echo "OK" || echo "FAIL"
 		;;
-- 
2.1.4