Fixed CID 587279.

src/ssl.c

@@ -9331,6 +9331,8 @@ void* wolfSSL_X509V3_EXT_d2i(WOLFSSL_X509_EXTENSION* ext)
                 return NULL;
             }
             
+            XMEMSET(akey, 0, sizeof(WOLFSSL_AUTHORITY_KEYID));
+
             akey->keyid = wolfSSL_ASN1_STRING_new();
             if (akey->keyid == NULL) {
                 WOLFSSL_MSG("ASN1_STRING_new() failed");