Fix compilation with -DSSL_DEBUG -DTLS_DEBUG -DKSSL_DEBUG

PR#3141
diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index ab86e7e..16c532d 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -1165,7 +1165,7 @@
 	int rv;
 
 #ifdef KSSL_DEBUG
-	printf ("tls1_export_keying_material(%p,%p,%d,%s,%d,%p,%d)\n", s, out, olen, label, llen, p, plen);
+	printf ("tls1_export_keying_material(%p,%p,%d,%s,%d,%p,%d)\n", s, out, olen, label, llen, context, contextlen);
 #endif	/* KSSL_DEBUG */
 
 	buff = OPENSSL_malloc(olen);