build: bump libbson for build improvements.

Christian Hergert · Christian Hergert · commit 7e83f65fda29 · 2014-05-29T17:31:27.000-07:00
diff --git a/src/libbson b/src/libbson
@@ -1 +1 @@
-Subproject commit 32002c5f5a5947a86f56c3b02165e2ff293d9967
+Subproject commit 524bac43f7209dde3cec92a613e8c63d6880eb82
