lib-sasl: Compiler warning fix for previous EXTERNAL change..

diff --git a/src/lib-sasl/mech-external.c b/src/lib-sasl/mech-external.c
index 8c4daa495edbc850088317a5d375ad799ff007c5..d1f6bb69f0bf7e95d5e4bfa0bc947ceb99543cc0 100644 (file)
--- a/src/lib-sasl/mech-external.c
+++ b/src/lib-sasl/mech-external.c
@@ -31,7 +31,7 @@ mech_external_input(struct dsasl_client *_client,
 static int
 mech_external_output(struct dsasl_client *_client,
                     const unsigned char **output_r, unsigned int *output_len_r,
-                    const char **error_r)
+                    const char **error_r ATTR_UNUSED)
 {
        struct external_dsasl_client *client =
                (struct external_dsasl_client *)_client;