Update build files.
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index bec089e..250bab2 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -373,6 +373,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
<Filter>src\core\ext\client_config</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
+ <Filter>src\core\ext\client_config</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
<Filter>src\core\ext\client_config</Filter>
</ClCompile>
@@ -878,6 +881,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h">
<Filter>src\core\ext\client_config</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h">
+ <Filter>src\core\ext\client_config</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h">
<Filter>src\core\ext\client_config</Filter>
</ClInclude>