LargeObjectException: Add constructor that takes Throwable

Change-Id: I500959286075f8ba4d0aa5820febd28c9c94ea1b
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/src/org/eclipse/jgit/errors/LargeObjectException.java

@@ -64,6 +64,17 @@ public class LargeObjectException extends RuntimeException {
 		// Do nothing.
 	}
 
+	/**
+	 * Create a large object exception, where the object isn't known.
+	 *
+	 * @param cause
+	 *            the cause
+	 * @since 4.10
+	 */
+	public LargeObjectException(Throwable cause) {
+		initCause(cause);
+	}
+
 	/**
 	 * Create a large object exception, naming the object that is too big.
 	 *

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LargePackedWholeObject.java

@@ -101,9 +101,7 @@ class LargePackedWholeObject extends ObjectLoader {
 		try {
 			throw new LargeObjectException(getObjectId());
 		} catch (IOException cannotObtainId) {
-			LargeObjectException err = new LargeObjectException();
-			err.initCause(cannotObtainId);
-			throw err;
+			throw new LargeObjectException(cannotObtainId);
 		}
 	}