silence PyCObject warnings in bsddb
diff --git a/Lib/bsddb/__init__.py b/Lib/bsddb/__init__.py
index dfa8a66..b935631 100644
--- a/Lib/bsddb/__init__.py
+++ b/Lib/bsddb/__init__.py
@@ -48,6 +48,7 @@
         warnings.warnpy3k("in 3.x, the bsddb module has been removed; "
                           "please use the pybsddb project instead",
                           DeprecationWarning, 2)
+    warnings.filterwarnings("*PyCObject*", DeprecationWarning, "_bsddb")
 
 try:
     if __name__ == 'bsddb3':