Fix a @since tag

Ketch didn't make it into 4.2

Change-Id: Iab3ddfb926a2f8d31622e212c845c825369b09d5
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>

org.eclipse.jgit/src/org/eclipse/jgit/transport/Daemon.java

@@ -259,7 +259,7 @@ public class Daemon {
 	 * Get the factory used to construct per-request ReceivePack.
 	 *
 	 * @return the factory.
-	 * @since 4.2
+	 * @since 4.3
 	 */
 	public ReceivePackFactory<DaemonClient> getReceivePackFactory() {
 		return receivePackFactory;