lib: ostream-multiplex - Fix dead assignment by adding an assertion on the result.

Found by Clang scan-build.

diff --git a/src/lib/ostream-multiplex.c b/src/lib/ostream-multiplex.c
index b248995fdbf4553dc05ee20d8005931087287377..323a0d32c9915bc22cd4480068c052435350a900 100644 (file)
--- a/src/lib/ostream-multiplex.c
+++ b/src/lib/ostream-multiplex.c
@@ -107,6 +107,7 @@ o_stream_multiplex_sendv(struct multiplex_ostream *mstream)
                        propagate_error(mstream, mstream->parent->stream_errno);
                        break;
                }
+               i_assert((size_t)ret == 1 + 4 + amt);
                buffer_delete(channel->buf, 0, amt);
                channel->last_sent_counter = ++mstream->send_counter;
        }