Add some 1.3.3 bullets

This commit was SVN r21168.

NEWS

@@ -46,6 +46,14 @@ Trunk (not on release branches yet)
 1.3.3 (expected)
 ----------------
 
+- Silence gcc 4.1 compiler warnings about type punning.  Thanks to
+  Number Cruncher for the fix.
+- Added more Valgrind and other memory-cleanup fixes.  Thanks to
+  various Open MPI users for help with these issues.
+- Miscellaneous VampirTrace fixes.
+- More fixes for openib credits in heavy-congestion scenarios.
+- Slightly decrease the latency in the openib BTL in some conditions
+  (add "send immediate" support to the openib BTL).
 - Ensure to allow MPI_REQUEST_GET_STATUS to accept an
   MPI_STATUS_IGNORE parameter.  Thanks to Shaun Jackman for the bug
   report.