File protobuf.patch of Package python-onnx

From 7bcb1302352c9953bfc396c3ec2114b382c65614 Mon Sep 17 00:00:00 2001
From: Tongliang Liao <xkszltl@gmail.com>
Date: Fri, 29 Nov 2019 19:48:59 -0800
Subject: [PATCH] python_out does not recognize dllexport_decl.

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7ab64fdda..bf23ac75fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -238,7 +238,7 @@ function(RELATIVE_PROTOBUF_GENERATE_CPP NAME SRCS HDRS ROOT_DIR DEPEND)
         ${ONNX_DLLEXPORT_STR}${CMAKE_CURRENT_BINARY_DIR})
     if(BUILD_ONNX_PYTHON)
       list(APPEND PROTOC_ARGS --python_out
-                  ${ONNX_DLLEXPORT_STR}${CMAKE_CURRENT_BINARY_DIR})
+                  ${CMAKE_CURRENT_BINARY_DIR})
       if(ONNX_GEN_PB_TYPE_STUBS)
         # Haven't figured out how to generate mypy stubs on Windows yet
         if(NOT WIN32)