implement support for adding external fd to server
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 3279325..a22e199 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -259,6 +259,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
<Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2_posix.c">
+ <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.c">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClCompile>