keepalived: fix libip6tc dependency

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
(cherry picked from commit eed4277d5c)

net/keepalived/Config.in

@@ -66,11 +66,21 @@ config KEEPALIVED_IPTABLES
 	depends on KEEPALIVED_VRRP
 	bool
 	default y
+	select KEEPALIVED_IP6TABLES
 	prompt "Enable iptables for VIP filtering"
 	help
 		Builds support for using iptables/ipsets for filtering packets
 		to VIPs
 
+config KEEPALIVED_IP6TABLES
+	depends on KEEPALIVED_VRRP && KEEPALIVED_IPTABLES && IPV6
+	bool
+	default y
+	prompt "Enable ip6tables for VIP filtering"
+	help
+		Builds support for using ip6tables/ipsets for filtering packets
+		to VIPs
+
 config KEEPALIVED_NFTABLES
 	depends on KEEPALIVED_VRRP
 	bool

net/keepalived/Makefile

@@ -64,7 +64,7 @@ define Package/keepalived
     +KEEPALIVED_VRRP:libnfnetlink \
     +KEEPALIVED_SHA1:libopenssl \
     +KEEPALIVED_IPTABLES:libip4tc \
-    +(KEEPALIVED_IPTABLES&&IPV6):libip6tc \
+    +KEEPALIVED_IP6TABLES:libip6tc \
     +KEEPALIVED_IPTABLES:libxtables \
     +KEEPALIVED_IPTABLES:libipset \
     +(KEEPALIVED_SNMP_VRRP||KEEPALIVED_SNMP_CHECKER||KEEPALIVED_SNMP_RFC2||KEEPALIVED_SNMP_RFC3):libnetsnmp \