WinSDK: use xinput instead of xinputuap

The UAP variant is included into the WinSDK module which then fails to
run.  Adjust the linkage.

Author: compnerd

stdlib/public/Platform/winsdk.modulemap

@@ -153,7 +153,7 @@ module WinSDK [system] {
     }
   }
 
-  module DirectX {
+  explicit module DirectX {
     module Direct3D12 {
       header "d3d12.h"
       export *
@@ -178,7 +178,7 @@ module WinSDK [system] {
       header "Xinput.h"
       export *
 
-      link "xinputuap.lib"
+      link "xinput.lib"
     }
 
     link "dxguid.lib"