Bump libmongoc submodule to 1.2.0-beta

jmikola · jmikola · commit 5b6745342ebb · 2015-08-14T11:51:22.000-04:00
diff --git a/src/libmongoc b/src/libmongoc
@@ -1 +1 @@
-Subproject commit cc9391f05fc426599427baef8e814183b7b85cf9
+Subproject commit 8189e90f1ad29fc4a133985452aeec54efd9bb4a
