[auto] Update onnx to b2539fc - Shape and type inference for Flatten, SpaceToDepth, DepthToSpace (onnx/onnx#930)

onnxbot · onnxbot · commit 947155c69ddc · 2018-05-11T02:43:57.000Z
onnx/onnx@b2539fc
diff --git a/third_party/onnx b/third_party/onnx
@@ -1 +1 @@
-Subproject commit 9dd2533ee3d7612412c39c830e4f1a2bb363b80a
+Subproject commit b2539fca837b46ace15681a5000e25b98f4c10ea
