src/api2/backup.rs: new required backup-time parameter

The client should pass the time as parameter.

src/bin/upload-speed.rs

@@ -12,7 +12,9 @@ fn upload_speed() -> Result<usize, Error> {
 
     let client = HttpClient::new(host, username)?;
 
-    let client = client.start_backup(datastore, "host", "speedtest", false).wait()?;
+    let backup_time = chrono::Utc::now();
+
+    let client = client.start_backup(datastore, "host", "speedtest", backup_time, false).wait()?;
 
     println!("start upload speed test");
     let res = client.upload_speedtest().wait()?;