tool_go_sleep: use (void) to spell out we ignore the return value

Coverity CID 1222080.

diff --git a/src/tool_sleep.c b/src/tool_sleep.c
index 49cdc71b81f351ea8c539e14027c69424741e487..d023b325dce589036b41c28d145d93d9291d1931 100644 (file)
--- a/src/tool_sleep.c
+++ b/src/tool_sleep.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -46,7 +46,7 @@ void tool_go_sleep(long ms)
 #elif defined(WIN32)
   Sleep(ms);
 #elif defined(HAVE_POLL_FINE)
-  poll((void *)0, 0, (int)ms);
+  (void)poll((void *)0, 0, (int)ms);
 #else
   struct timeval timeout;
   timeout.tv_sec = ms / 1000L;