Update from stable branch.
diff --git a/apps/apps.h b/apps/apps.h
index f08893e..7172edf 100644
--- a/apps/apps.h
+++ b/apps/apps.h
@@ -308,8 +308,10 @@
 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value);
 int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
 			const char *algname, ENGINE *e, int do_param);
+#ifdef OPENSSL_EXPERIMENTAL_JPAKE
 void jpake_client_auth(BIO *out, BIO *conn, const char *secret);
 void jpake_server_auth(BIO *out, BIO *conn, const char *secret);
+#endif
 
 #define FORMAT_UNDEF    0
 #define FORMAT_ASN1     1