Document that Git instance returned by CloneCommand needs to be closed

Bug: 448570
Change-Id: Ieee334f4d82cd71ba98b26abb8667e8f64cac665
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java

@@ -114,6 +114,12 @@ public class CloneCommand extends TransportCommand<CloneCommand, Git> {
 	/**
 	 * Executes the {@code Clone} command.
 	 *
+	 * The Git instance returned by this command needs to be closed by the
+	 * caller to free resources held by the underlying {@link Repository}
+	 * instance. It is recommended to call this method as soon as you don't need
+	 * a reference to this {@link Git} instance and the underlying
+	 * {@link Repository} instance anymore.
+	 *
 	 * @return the newly created {@code Git} object with associated repository
 	 * @throws InvalidRemoteException
 	 * @throws org.eclipse.jgit.api.errors.TransportException