Put sshsk_sign call inside ifdef ENABLE_SK.

Fixes build against OpenSSL configured without ECC.

1 files changed, 2 insertions, 0 deletions

diff --git a/sshkey.c b/sshkey.c
index 1b66d4ec7..80186206c 100644
--- a/sshkey.c
+++ b/sshkey.c
@@ -2775,11 +2775,13 @@ sshkey_sign(struct sshkey *key,
         case KEY_ED25519_CERT:
                 r = ssh_ed25519_sign(key, sigp, lenp, data, datalen, compat);
                 break;
+#ifdef ENABLE_SK
         case KEY_ED25519_SK:
         case KEY_ED25519_SK_CERT:
                 r = sshsk_sign(sk_provider, key, sigp, lenp, data, datalen,
                     compat);
                 break;
+#endif /* ENABLE_SK */
 #ifdef WITH_XMSS
         case KEY_XMSS:
         case KEY_XMSS_CERT: