From 6cd01dc6caba4c2137308e3adb1b4dadb7c1d5cc Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <no@email>
Date: Mon, 15 Nov 2010 20:59:09 +0000
Subject: [PATCH] mapstep type was also changed to ptrdiff_t (ticket #157)

---
 modules/imgproc/src/canny.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/imgproc/src/canny.cpp b/modules/imgproc/src/canny.cpp
index 64d7b10..49ed796 100644
--- a/modules/imgproc/src/canny.cpp
+++ b/modules/imgproc/src/canny.cpp
@@ -57,7 +57,8 @@ CV_IMPL void cvCanny( const void* srcarr, void* dstarr,
     int low, high;
     int* mag_buf[3];
     uchar* map;
-    int mapstep, maxsize;
+    ptrdiff_t mapstep;
+    int maxsize;
     int i, j;
     CvMat mag_row;
 
-- 
2.7.4