Kernel: Add an x86 include check+error in x86/PageFault.h

Author: https://github.com/jamesmintram
Commit: eb33df0c30
Pull-request: https://github.com/SerenityOS/serenity/pull/11141
Reviewed-by: https://github.com/bgianfo ✅
Reviewed-by: https://github.com/kleinesfilmroellchen ✅

Kernel/Arch/x86/PageFault.h

@@ -9,6 +9,9 @@
 #include <AK/Types.h>
 #include <Kernel/VirtualAddress.h>
 
+#include <AK/Platform.h>
+VALIDATE_IS_X86()
+
 namespace Kernel {
 
 struct PageFaultFlags {

Kernel/Arch/x86/common/Interrupts.cpp

@@ -24,6 +24,7 @@
 #include <Kernel/Arch/Processor.h>
 #include <Kernel/Arch/RegisterState.h>
 #include <Kernel/Arch/x86/ISRStubs.h>
+#include <Kernel/Arch/x86/PageFault.h>
 #include <Kernel/Arch/x86/TrapFrame.h>
 #include <Kernel/KSyms.h>