Terminate StreamCopy threads in case of errors

Bug: 513554
Change-Id: I065836b8fc77ade6de92e4a809fcf770a4f793ec
Signed-off-by: Dmitry Neverov <dmitry.neverov@gmail.com>

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

@@ -220,6 +220,7 @@ public class JschSession implements RemoteSession {
 		public void destroy() {
 			if (channel.isConnected())
 				channel.disconnect();
+			closeOutputStream();
 		}
 
 		@Override

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

@@ -283,12 +283,12 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
 				init(process.getInputStream(), process.getOutputStream());
 
 			} catch (TransportException err) {
-				close();
 				throw err;
-			} catch (IOException err) {
+			} catch (Throwable err) {
-				close();
 				throw new TransportException(uri,
 						JGitText.get().remoteHungUpUnexpectedly, err);
+			} finally {
+				close();
 			}
 
 			try {
@@ -341,12 +341,12 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
 				init(process.getInputStream(), process.getOutputStream());
 
 			} catch (TransportException err) {
-				close();
 				throw err;
-			} catch (IOException err) {
+			} catch (Throwable err) {
-				close();
 				throw new TransportException(uri,
 						JGitText.get().remoteHungUpUnexpectedly, err);
+			} finally {
+				close();
 			}
 
 			try {