Fix driver compilation with latest phnt

test/CMakeLists.txt

@@ -10,6 +10,7 @@ if(NOT EXISTS "${phnt_DIR}/phnt.h")
 endif()
 
 # Default to a Release build
+get_property(GENERATOR_IS_MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
 if(GENERATOR_IS_MULTI_CONFIG)
     set(CMAKE_CONFIGURATION_TYPES "Release" CACHE STRING "")
 elseif(NOT DEFINED CACHE{CMAKE_BUILD_TYPE})

test/driver.cpp

@@ -8,6 +8,7 @@ extern "C"
 #include <ntimage.h>
 #include <wdm.h>
 #include <stddef.h>
+#include <minwindef.h>
 }
 
 #define PHNT_VERSION PHNT_WIN11