Provide metadata to validator to allow faster caching.

src/trusted/validator_x86/ncenuminsts_x86_64.c

Index: src/trusted/validator_x86/ncenuminsts_x86_64.c
diff --git a/src/trusted/validator_x86/ncenuminsts_x86_64.c b/src/trusted/validator_x86/ncenuminsts_x86_64.c
index 8fdb0438584e131eece8f971d69233d7f985a818..023e7ef3fc601e95ac9da0aa0a9823db6d89b755 100644
--- a/src/trusted/validator_x86/ncenuminsts_x86_64.c
+++ b/src/trusted/validator_x86/ncenuminsts_x86_64.c
@@ -121,7 +121,7 @@ Bool NaClSegmentValidates(uint8_t* mbase,
   status = validator->Validate(
       vbase, mbase, size,
       /* stubout_mode= */ FALSE, /* readonly_text= */ FALSE,
-      (NaClCPUFeatures *) &cpu_features, NULL);
+      (NaClCPUFeatures *) &cpu_features, NULL, NULL);
   switch (status) {
     case NaClValidationSucceeded:
       return TRUE;