Fix link_domain generation

Author: svpcom

scripts/bind/init_gs.sh

@@ -23,14 +23,20 @@ fi
 
 if ! [ -f /etc/wifibroadcast.cfg ]
 then
+    link_domain="auto_$(tr -dc 0-9 < /dev/urandom | head -c8)"
     cat > /etc/wifibroadcast.cfg <<EOF
 [common]
-link_domain = 'auto_$(tr -dc 0-9 < /dev/urandom | head -c8)'
 wifi_channel = 165     # 165 -- radio channel @5825 MHz, range: 5815–5835 MHz, width 20MHz
                        # see https://en.wikipedia.org/wiki/List_of_WLAN_channels for reference
 
 wifi_region = 'BO'     # Your country for CRDA (use BO or GY if you want max tx power)
 
+[drone]
+link_domain = '$link_domain'
+
+[gs]
+link_domain = '$link_domain'
+
 [gs_mavlink]
 peer = 'connect://127.0.0.1:14550'  # mavlink connection to QGC