Permissions on backup log

src/freedombone-installer

@@ -1036,6 +1036,7 @@ function initiate_automatic_backup {
         if [ "$webadmin_prev_hour" -ne "$backup_hour" ]; then
             touch "$backup_file"
             echo $"Backup initiated $(date)" >> "$webadmin_install_dir/autobackup.log"
+            chown www-data:www-data "$webadmin_install_dir/autobackup.log"
             running_auto_backup=1
         fi
     fi
@@ -1195,6 +1196,7 @@ function backup_and_restore {
             if [ $running_auto_backup ]; then
                 backup_name=$'scheduled'
                 date >> "$webadmin_install_dir/autobackup.log"
+                chown www-data:www-data "$webadmin_install_dir/autobackup.log"
                 running_auto_backup=
             fi