Fixing startup parameter for sf

With 0.5.0.6 update ```-multihome``` was introduced as server parameter

lgsm/config-default/config-lgsm/sfserver/_default.cfg

@@ -14,8 +14,11 @@ queryport="15777"
 beaconport="15000"
 port="7777"
 
+## Gather IP address for startup parameter
+IPADDR=$(ip addr show |grep 'inet '|grep -v 127.0.0.1 |awk '{print $2}'| cut -d/ -f1)
+
 ## Server Parameters | https://docs.linuxgsm.com/configuration/start-parameters#additional-parameters
-startparameters="FactoryGame -ServerQueryPort=${queryport} -BeaconPort=${beaconport} -GamePort=${port} -log -unattended"
+startparameters="FactoryGame -multihome=${IPADDR} -ServerQueryPort=${queryport} -BeaconPort=${beaconport} -GamePort=${port} -log -unattended"
 
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