Merge "Fix InterruptTimer leak in BasePackConnection"

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

@@ -143,7 +143,9 @@ abstract class BasePackConnection extends BaseConnection {
 		final int timeout = transport.getTimeout();
 		if (timeout > 0) {
 			final Thread caller = Thread.currentThread();
+			if (myTimer == null) {
 				myTimer = new InterruptTimer(caller.getName() + "-Timer"); //$NON-NLS-1$
+			}
 			timeoutIn = new TimeoutInputStream(myIn, myTimer);
 			timeoutOut = new TimeoutOutputStream(myOut, myTimer);
 			timeoutIn.setTimeout(timeout * 1000);