From c62f2e3d0c38f8138ab272ffcddc8de77eda460d Mon Sep 17 00:00:00 2001
From: Tobias <neurocopter@gmail.com>
Date: Mon, 12 Aug 2013 15:57:34 +0200
Subject: [PATCH] AC_Sprayer: replace unnecessary object with const ref

---
 libraries/AC_Sprayer/AC_Sprayer.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libraries/AC_Sprayer/AC_Sprayer.cpp b/libraries/AC_Sprayer/AC_Sprayer.cpp
index 4029ec95c2..9ef2e6a812 100644
--- a/libraries/AC_Sprayer/AC_Sprayer.cpp
+++ b/libraries/AC_Sprayer/AC_Sprayer.cpp
@@ -95,7 +95,6 @@ void
 AC_Sprayer::update()
 {
     uint32_t now;
-    Vector3f velocity;
     float ground_speed;
 
     // exit immediately if we are disabled (perhaps set pwm values back to defaults)
@@ -109,7 +108,7 @@ AC_Sprayer::update()
     }
 
     // get horizontal velocity
-    velocity = _inav->get_velocity();
+    const Vector3f &velocity = _inav->get_velocity();
     ground_speed = pythagorous2(velocity.x,velocity.y);
 
     // get the current time