[auto] Update caffe2 to follow pull request 1612

onnxbot · onnxbot · commit a5ea50af004c · 2018-01-31T23:09:12.000Z
diff --git a/third_party/caffe2 b/third_party/caffe2
@@ -1 +1 @@
-Subproject commit 5919ef4db376817a2ad7aec0d145ca7398677f87
+Subproject commit 3bc076e0a546e2b5ba3741c62340bfe3775b6496
