[auto] Update onnx to 5641b4a - Don't include pybind11 if its target is alreadt exported (#550)

onnxbot · onnxbot · commit dbe99b781db2 · 2018-02-22T22:44:22.000Z
onnx/onnx@5641b4a
diff --git a/third_party/onnx b/third_party/onnx
@@ -1 +1 @@
-Subproject commit bb612237191b7205625ffc36e3b4b2e24ce80985
+Subproject commit 5641b4abd364d32710ec19d22f3ae321282fda9b
