headers: check which version of UWP Windows contains Virtual functions

* VirtualFree is always available in UWP
* VirtualAlloc is only available since 19H1/18362 SDK
* VirtualAllocEx is only available since 20H1/19041 SDK

They are all found in api-ms-win-core-memory-l1-1-0 which is in mincore
and windowsapp. It's one of the target DLLs [1]

[1] https://learn.microsoft.com/en-us/uwp/win32-and-com/win32-apis#apis-from-api-ms-win-core-memory-l1-1-0dll

Signed-off-by: LIU Hao <lh_mouse@126.com>
diff --git a/mingw-w64-headers/include/memoryapi.h b/mingw-w64-headers/include/memoryapi.h
index 152671c..889c2a5 100644
--- a/mingw-w64-headers/include/memoryapi.h
+++ b/mingw-w64-headers/include/memoryapi.h
@@ -29,10 +29,14 @@
 #endif
 
 #if (WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_APP) && _WIN32_WINNT >= _WIN32_WINNT_WIN10) || WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
-    WINBASEAPI LPVOID WINAPI VirtualAlloc (LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect);
-    WINBASEAPI LPVOID WINAPI VirtualAllocEx (HANDLE hProcess, LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect);
     WINBASEAPI WINBOOL WINAPI VirtualFree (LPVOID lpAddress, SIZE_T dwSize, DWORD dwFreeType);
 #endif
+#if (WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_APP) && NTDDI_VERSION >= NTDDI_WIN10_19H1) || WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
+    WINBASEAPI LPVOID WINAPI VirtualAlloc (LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect);
+#endif
+#if (WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_APP) && NTDDI_VERSION >= NTDDI_WIN10_VB) || WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
+    WINBASEAPI LPVOID WINAPI VirtualAllocEx (HANDLE hProcess, LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect);
+#endif
 
 #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_APP)