Restore build sanity
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 21355d6..ecda41e 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -238,6 +238,9 @@
     <ClCompile Include="..\..\..\src\core\profiling\stap_timers.c">
       <Filter>src\core\profiling</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\surface\api_trace.c">
+      <Filter>src\core\surface</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -289,9 +292,6 @@
     <ClCompile Include="..\..\..\src\core\surface\server_create.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\surface\surface_trace.c">
-      <Filter>src\core\surface</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\version.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -632,6 +632,9 @@
     <ClInclude Include="..\..\..\src\core\statistics\census_rpc_stats.h">
       <Filter>src\core\statistics</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\surface\api_trace.h">
+      <Filter>src\core\surface</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\surface\byte_buffer_queue.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
@@ -653,9 +656,6 @@
     <ClInclude Include="..\..\..\src\core\surface\server.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\core\surface\surface_trace.h">
-      <Filter>src\core\surface</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\chttp2\alpn.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>