From 916b92bc3b323a5e73aae18cef4a9aebfda11035 Mon Sep 17 00:00:00 2001
From: Jin Ma <jinma06njuee@gmail.om>
Date: Fri, 16 Aug 2013 15:33:43 +0800
Subject: [PATCH] Resolved a compiling warning under Windows.

---
 modules/ocl/perf/perf_bgfg.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/ocl/perf/perf_bgfg.cpp b/modules/ocl/perf/perf_bgfg.cpp
index e7aad759f3..358b8ff382 100644
--- a/modules/ocl/perf/perf_bgfg.cpp
+++ b/modules/ocl/perf/perf_bgfg.cpp
@@ -48,9 +48,9 @@ using namespace cv::ocl;
 
 void cvtFrameFmt(std::vector<Mat>& input, std::vector<Mat>& output, int output_cn)
 {
-    for(int i=0; i<input.size(); i++)
+    for(int i = 0; i< (int)(input.size()); i++)
     {
-        if(output_cn==1)
+        if(output_cn == 1)
             cvtColor(input[i], output[i], COLOR_RGB2GRAY);
         else
             cvtColor(input[i], output[i], COLOR_RGB2RGBA);