hiperfifo: remove unused variable

Closes https://github.com/curl/curl/pull/3919

diff --git a/docs/examples/hiperfifo.c b/docs/examples/hiperfifo.c
index c8e8bfdf1b03bd4fa43016e0f4fbbb5950a7fa4a..d1228f8298053e342dabfc2a4167accf9637fce9 100644 (file)
--- a/docs/examples/hiperfifo.c
+++ b/docs/examples/hiperfifo.c
@@ -146,7 +146,6 @@ static void mcode_or_die(const char *where, CURLMcode code)
 static int multi_timer_cb(CURLM *multi _Unused, long timeout_ms, GlobalInfo *g)
 {
   struct timeval timeout;
-  CURLMcode rc;
 
   timeout.tv_sec = timeout_ms/1000;
   timeout.tv_usec = (timeout_ms%1000)*1000;