Clone should create Git instances which are able to close repository

Bug: 474093
Change-Id: I13be133dac7834d1d2b51eb9948a716b8719d057
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>

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

@@ -134,7 +134,7 @@ public class CloneCommand extends TransportCommand<CloneCommand, Git> {
 			FetchResult result = fetch(repository, u);
 			if (!noCheckout)
 				checkout(repository, result);
-			return new Git(repository);
+			return new Git(repository, true);
 		} catch (IOException ioe) {
 			if (repository != null) {
 				repository.close();

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

@@ -207,7 +207,7 @@ public class Git implements AutoCloseable {
 		this(repo, false);
 	}
 
-	private Git(Repository repo, boolean closeRepo) {
+	Git(Repository repo, boolean closeRepo) {
 		if (repo == null)
 			throw new NullPointerException();
 		this.repo = repo;