Synchronization: add a Windows dependency on ClangModules

When building without the SDK, we need to provide the VFS overlay to
allow us to build as the Windows SDK does not include the module map.

Author: compnerd

Runtimes/Supplemental/Synchronization/CMakeLists.txt

@@ -129,7 +129,8 @@ set_target_properties(swiftSynchronization PROPERTIES
 target_link_libraries(swiftSynchronization PRIVATE
   swiftCore
   $<$<PLATFORM_ID:Android>:SwiftAndroid>
-  $<$<PLATFORM_ID:Darwin>:swiftDarwin>)
+  $<$<PLATFORM_ID:Darwin>:swiftDarwin>
+  $<$<PLATFORM_ID:Windows>:ClangModules>)
 
 install(TARGETS swiftSynchronization
   EXPORT SwiftSynchronizationTargets