[java-libglom] Add a TODO

[Murray Cumming <murrayc src gnome org>]

commit 0c75c333ef647d27fae1a65ae747578c52e12055
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu May 3 11:59:14 2012 +0200

    Add a TODO

 .../java/org/glom/libglom/tests/DocumentTest.java  |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/test/java/org/glom/libglom/tests/DocumentTest.java b/src/test/java/org/glom/libglom/tests/DocumentTest.java
index fc862a7..da975d8 100644
--- a/src/test/java/org/glom/libglom/tests/DocumentTest.java
+++ b/src/test/java/org/glom/libglom/tests/DocumentTest.java
@@ -340,6 +340,10 @@ public class DocumentTest {
 		final int numInnerItems = safeLongToInt(innerItems.size());
 		assertEquals(2, numInnerItems);
 
+		//TODO: This seems to be a typo.
+		//It should really be
+		//layoutItem = innerItems.get(0);
+		//and this suggests that LayoutItem_Field.cast_dynamic(layoutItem) is not working properly.
 		layoutItem = layoutItems.get(0);
 		assertTrue(layoutItem != null);
 		LayoutItem_Field field = LayoutItem_Field.cast_dynamic(layoutItem);