Issue #18093: Give the Windows build _testembed.c's new location.
diff --git a/PCbuild/_testembed.vcxproj.filters b/PCbuild/_testembed.vcxproj.filters
index dea54d4..f7f9abe 100644
--- a/PCbuild/_testembed.vcxproj.filters
+++ b/PCbuild/_testembed.vcxproj.filters
@@ -15,7 +15,7 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="..\Modules\_testembed.c">
+    <ClCompile Include="..\Programs\_testembed.c">
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>