$NetBSD: patch-modules_core_include_opencv2_core_types_c.h,v 1.2 2015/10/08 17:45:59 fhajny Exp $

Define 'depth' as unsigned int, or IPL_DEPTH_SIGN=0x8000000 won't fit in int.

--- modules/core/include/opencv2/core/types_c.h.orig	2015-06-03 17:21:34.000000000 +0000
+++ modules/core/include/opencv2/core/types_c.h
@@ -303,7 +303,7 @@ _IplImage
     int  ID;                /**< version (=0)*/
     int  nChannels;         /**< Most of OpenCV functions support 1,2,3 or 4 channels */
     int  alphaChannel;      /**< Ignored by OpenCV */
-    int  depth;             /**< Pixel depth in bits: IPL_DEPTH_8U, IPL_DEPTH_8S, IPL_DEPTH_16S,
+    unsigned int  depth;             /**< Pixel depth in bits: IPL_DEPTH_8U, IPL_DEPTH_8S, IPL_DEPTH_16S,
                                IPL_DEPTH_32S, IPL_DEPTH_32F and IPL_DEPTH_64F are supported.  */
     char colorModel[4];     /**< Ignored by OpenCV */
     char channelSeq[4];     /**< ditto */