srp: provide stubs of public functions even if SRP is disabled

This adds stub definitions of public SRP functions even if SRP is
disabled with --disable-srp-authentication, to preserve the ABI.

Signed-off-by: Daiki Ueno <ueno@gnu.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/cli.c b/src/cli.c
index 7c031f1ec3..1af329fadc 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -1876,6 +1876,7 @@ int do_handshake(socket_st * socket)
 	return ret;
 }
 
+#ifdef ENABLE_SRP
 static int
 srp_username_callback(gnutls_session_t session,
 		      char **username, char **password)
@@ -1889,6 +1890,7 @@ srp_username_callback(gnutls_session_t session,
 
 	return 0;
 }
+#endif
 
 static int
 psk_callback(gnutls_session_t session, char **username,