update libbson

ajdavis · ajdavis · commit 5b3b3807c2bd · 2015-05-12T13:26:55.000-04:00
diff --git a/src/libbson b/src/libbson
@@ -1 +1 @@
-Subproject commit 937b9233ae600f6be06aa55999cf1dccd816ed30
+Subproject commit a55c99a0e3fa4e0f6c6267a4f957137f64667cc8
