Use proper bdlib 9ee3b7d84, accidentally modified in recent merges

lib/bdlib

@@ -1 +1 @@
-Subproject commit 469d1fade4a0e8d7a79ea8ba0c7bddf1e64289cc
+Subproject commit 9ee3b7d844e076a7ce5c668d31f1d899c978790b