From 80a087e606d89b34e755edcfc9412c09e134ac2e Mon Sep 17 00:00:00 2001
From: William Woodall <william@osrfoundation.org>
Date: Tue, 15 Oct 2013 11:48:00 -0700
Subject: [PATCH] use pass by reference in operator* for timespec

---
 src/impl/unix.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/impl/unix.cc b/src/impl/unix.cc
index d2ff963..e6e76aa 100755
--- a/src/impl/unix.cc
+++ b/src/impl/unix.cc
@@ -126,7 +126,7 @@ operator- (const struct timespec &a, const struct timespec &b)
  * that the result is muliple seconds. Only makes sense when the timespec
  * argument is a duration. */
 static inline timespec
-operator* (const struct timespec &ts, const size_t mul)
+operator* (const struct timespec &ts, const size_t &mul)
 {
   struct timespec result = {
     ts.tv_sec * mul,