Fix UWP builds by defining VirtualLock
#ifndef OPENSSL_NO_SECURE_MEMORY
# if defined(_WIN32)
# include <windows.h>
+# if defined(WINAPI_FAMILY_PARTITION) \
+ && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)
+/*
+ * While VirtualLock is available under the app partition (e.g. UWP),
+ * the headers do not define the API. Define it ourselves instead.
+ */
+WINBASEAPI
+BOOL
+WINAPI
+VirtualLock(
+ _In_ LPVOID lpAddress,
+ _In_ SIZE_T dwSize
+ );
+# endif
# endif
# include <stdlib.h>
# include <assert.h>
