Fix definition of UINT_PTR for 64 bit systems.
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index b1e58be..572a4fa 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -36,6 +36,10 @@
 Invalid memory access when deleting funcref variable.  Patch by Lech Lorens,
 2010 May 25.
 
+Fixes for broken URLs:
+    Benjamin Haskell, 2010 May 25
+    Christian Brabandt, 2010 May 26, two messages
+
 Cursor positioning wrong with 0x200e character. (John Becket, 2010 May 6)
 
 E315 when trying to change a file in FileChangedRO autocommand event.