From b0d3c6a8783a0ad8178d8fe396ad75bb0355f5f7 Mon Sep 17 00:00:00 2001
From: "Murdoch@cl.cam.ac.uk" <Murdoch@cl.cam.ac.uk>
Date: Wed, 30 Nov 2011 20:14:46 +0000
Subject: [PATCH] Only define set_buffer_lengths_to_zero if bufferevents are
 enabled

Otherwise, on Windows, gcc will warn about the function being unused
---
 src/or/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/or/main.c b/src/or/main.c
index d3eb721d8a..3cf98565c8 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -196,7 +196,7 @@ free_old_inbuf(connection_t *conn)
 }
 #endif
 
-#ifdef MS_WINDOWS
+#if defined(MS_WINDOWS) && defined(USE_BUFFEREVENTS)
 /** Remove the kernel-space send and receive buffers for <b>s</b>. For use
  * with IOCP only. */
 static int