[auto] Update caffe2 to follow pull request 1960

onnxbot · onnxbot · commit f1cb8d426492 · 2018-02-21T04:25:13.000Z
diff --git a/third_party/caffe2 b/third_party/caffe2
@@ -1 +1 @@
-Subproject commit df55bb64a38109d582fd2218c4fc5acc65598f81
+Subproject commit 2a08cac53b0e3807f08397243619f9b8c7380484
