kern: fix debug build for [[nodiscard]] changes

libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table.hpp

@@ -199,7 +199,7 @@ namespace ams::kern::arch::arm64 {
 
             NOINLINE void InitializeForKernel(void *table, KVirtualAddress start, KVirtualAddress end);
             NOINLINE Result InitializeForProcess(ams::svc::CreateProcessFlag flags, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address, size_t code_size, KSystemResource *system_resource, KResourceLimit *resource_limit, size_t process_index);
-            Result Finalize();
+            void Finalize();
 
             static void NoteUpdatedCallback(const void *pt) {
                 /* Note the update. */