Check for kECDH with extensions.

Reviewed-by: Matt Caswell <matt@openssl.org>
diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index f5575e0..a91e152 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -1157,7 +1157,7 @@
 
             alg_k = c->algorithm_mkey;
             alg_a = c->algorithm_auth;
-            if ((alg_k & (SSL_kECDHE | SSL_kECDHr | SSL_kECDHe)
+            if ((alg_k & (SSL_kECDHE | SSL_kECDHr | SSL_kECDHe | SSL_kECDHEPSK)
                  || (alg_a & SSL_aECDSA))) {
                 using_ecc = 1;
                 break;