From 660a53e0e0223bf349f352df821fe60bdce5ef8d Mon Sep 17 00:00:00 2001
From: RafaRuiz <raruizmu@gmail.com>
Date: Tue, 24 Mar 2015 09:06:55 +0000
Subject: [PATCH] Update lkdemo.cpp because of memory leak

In MacOSx x64 it was getting a memory leak even without initializing points:
http://code.opencv.org/issues/4250
---
 samples/cpp/lkdemo.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/samples/cpp/lkdemo.cpp b/samples/cpp/lkdemo.cpp
index 82c1fac2d0..2f576c3ba8 100644
--- a/samples/cpp/lkdemo.cpp
+++ b/samples/cpp/lkdemo.cpp
@@ -61,12 +61,11 @@ int main( int argc, char** argv )
     namedWindow( "LK Demo", 1 );
     setMouseCallback( "LK Demo", onMouse, 0 );
 
-    Mat gray, prevGray, image;
+    Mat gray, prevGray, image, frame;
     vector<Point2f> points[2];
 
     for(;;)
     {
-        Mat frame;
         cap >> frame;
         if( frame.empty() )
             break;