base-files: increase igmp_max_memberships to improve multicast-proxy handling

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42228 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/etc/sysctl.conf

@@ -4,6 +4,7 @@ net.ipv4.conf.all.arp_ignore=1
 net.ipv4.ip_forward=1
 net.ipv4.icmp_echo_ignore_broadcasts=1
 net.ipv4.icmp_ignore_bogus_error_responses=1
+net.ipv4.igmp_max_memberships=100
 net.ipv4.tcp_ecn=0
 net.ipv4.tcp_fin_timeout=30
 net.ipv4.tcp_keepalive_time=120