[crypto] Fix unused-but-set variable warning

Reported-by: Brandon Penglase <bpenglase-ipxe@spaceservices.net>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/net/validator.c b/src/net/validator.c
index c4051d48f50366d043701d21601873c9e809d610..d61cb92f47f8cb8900adf10fbe392f8d392177b6 100644 (file)
--- a/src/net/validator.c
+++ b/src/net/validator.c
@@ -455,7 +455,6 @@ static struct interface_descriptor validator_xfer_desc =
  */
 static void validator_step ( struct validator *validator ) {
        struct x509_link *link;
-       struct x509_link *previous;
        struct x509_certificate *cert;
        struct x509_certificate *issuer = NULL;
        struct x509_certificate *last;
@@ -479,7 +478,6 @@ static void validator_step ( struct validator *validator ) {
        list_for_each_entry ( link, &validator->chain->links, list ) {
                cert = issuer;
                issuer = link->cert;
-               previous = link;
                if ( ! cert )
                        continue;
                if ( ! issuer->valid )