Use IPv4 address for scuttlebot

src/freedombone-mesh-batman

     . /etc/default/batctl
 fi
 
-function get_ipv6_bat0 {
-    echo $(ip -o -f inet6 addr show dev "bat0" | awk '{print $4}' | awk 'END {print}' | awk -F '/' '{print $1}')
+function get_ipv4_wlan {
+    echo $(ip -o -f inet addr show dev "$IFACE" | awk '{print $4}' | awk 'END {print}' | awk -F '/' '{print $1}')
 }
 
 function mesh_hotspot_ip_address {
     systemctl restart avahi-daemon
 
     if [ -f /etc/scuttlebot/.ssb/config ]; then
-        ipv6addr=$(get_ipv6_bat0)
-        sed -i "s|\"host\": .*|\"host\": \"${ipv6addr}\",|g" /etc/scuttlebot/.ssb/config
+        sed -i "s|\"host\": .*|\"host\": \"$(get_ipv4_wlan)\",|g" /etc/scuttlebot/.ssb/config
         systemctl restart scuttlebot
     fi