Fix KeyBlockVerify() to take an explicit param for whether to use hash only.

utility/vbutil_keyblock.c

Index: utility/vbutil_keyblock.c
diff --git a/utility/vbutil_keyblock.c b/utility/vbutil_keyblock.c
index a540ab59d20d5885d2874526c75398ed2a064afc..7d5b7c137a66bbce30c0679ad30fec255f185469 100644
--- a/utility/vbutil_keyblock.c
+++ b/utility/vbutil_keyblock.c
@@ -138,7 +138,7 @@ static int Unpack(const char* infile, const char* datapubkey,
       fprintf(stderr, "vbutil_keyblock: Error reading signpubkey.\n");
       return 1;
     }
-    if (0 != KeyBlockVerify(block, block->key_block_size, sign_key)) {
+    if (0 != KeyBlockVerify(block, block->key_block_size, sign_key, 0)) {
       fprintf(stderr, "vbutil_keyblock: Error verifying key block.\n");
       return 1;
     }