Add QueryOptionalDelayLoadedAPI (#1975)

generation/WinSDK/Partitions/LibraryLoader/main.cpp

@@ -3,4 +3,6 @@
 #include "intrinfix.h"
 
 #include "windows.fixed.h"
-#include <sdkddkver.h>
+#include <sdkddkver.h>
+#include <libloaderapi.h>
+#include <libloaderapi2.h>

scripts/ChangesSinceLastRelease.txt

@@ -8,3 +8,5 @@ Windows.Win32.Graphics.DirectComposition.IDCompositionDevice2.GetFrameStatistics
 Windows.Win32.Graphics.DirectComposition.IDCompositionTexture.GetAvailableFence : availableFence : [Out] => [ComOutPtr,Out]
 # Mark ID3D12GraphicsCommandList::ClearDepthStencilView pRects as Optional
 Windows.Win32.Graphics.Direct3D12.ID3D12GraphicsCommandList.ClearDepthStencilView : pRects : [Const,In,NativeArrayInfo(CountParamIndex=4)] => [Const,In,NativeArrayInfo(CountParamIndex=4),Optional]
+# Add QueryOptionalDelayLoadedAPI
+Windows.Win32.System.LibraryLoader.Apis.QueryOptionalDelayLoadedAPI added