From 19615bce64cd381a925bc3910120ac39ca918e7c Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 19 May 2017 15:50:12 -0400
Subject: [PATCH] mingw fix: avoid "unused var" warning.

---
 src/test/test_switch_id.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/test/test_switch_id.c b/src/test/test_switch_id.c
index 44e02e87b3..53de793fe8 100644
--- a/src/test/test_switch_id.c
+++ b/src/test/test_switch_id.c
@@ -79,6 +79,7 @@ main(int argc, char **argv)
 #if defined(_WIN32)
   (void) argc;
   (void) argv;
+  (void) which_test;
 
   fprintf(stderr, "This test is not supported on your OS.\n");
   return 77;