tpm: Copy digest into HashLogExentEvent response

Copy the digest into the response of a HashLogExtendEvent API call.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
diff --git a/src/tcgbios.c b/src/tcgbios.c
index 1a247df..8716600 100644
--- a/src/tcgbios.c
+++ b/src/tcgbios.c
@@ -660,6 +660,7 @@
     hleeo->opblength = sizeof(struct hleeo);
     hleeo->reserved  = 0;
     hleeo->eventnumber = hleo.eventnumber;
+    memcpy(hleeo->digest, pcpes->digest, sizeof(hleeo->digest));
 
 err_exit:
     if (rc != 0) {