Check for syncthing id files in user directories

src/freedombone-syncthing

@@ -264,6 +264,14 @@ function user_devices_changed {
         return
     fi
 
+    for d in /home/*/ ; do
+        USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
+        if [ ! -f /home/$USERNAME/.syncthing-server-id ]; then
+            CHANGED=1
+            return
+        fi
+    done
+
     for d in /home/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
         if [[ $(is_valid_user "$USERNAME") == "1" ]]; then