[auto] Update caffe2 to follow pull request 1612

onnxbot · onnxbot · commit b88b78e83efe · 2018-01-30T19:10:15.000Z
diff --git a/third_party/caffe2 b/third_party/caffe2
@@ -1 +1 @@
-Subproject commit 4aec375753705c978b83447896d00dda5967bad3
+Subproject commit dea980191d70538a16da4724a724b66af82a7b73
