Initialize PTE template dynamically to resolve build warnings

xtoskrnl/mm/i686/pte.cc

@@ -112,6 +112,20 @@ MM::Pte::InitializePageTable(VOID)
     MM::Pte::MapPDE(MemoryLayout->SystemSpaceStart, (PVOID)MM_HIGHEST_SYSTEM_ADDRESS, &TemplatePte);
 }
 
+/**
+ * Initializes the PTE template.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+MM::Pte::InitializePteTemplate(VOID)
+{
+    ValidPte = {{MM_PTE_VALID|MM_PTE_EXECUTE_READWRITE|MM_PTE_DIRTY|MM_PTE_ACCESSED}};
+}
+
 /**
  * Maps a range of virtual addresses at the PPE (Page Directory Pointer Entry) level.
  *