File opencv-imgcodecs-pxm-fix-memcpy-size.patch of Package opencv.openSUSE_Leap_42.3_Update

diff --git a/modules/imgcodecs/src/grfmt_pxm.cpp b/modules/imgcodecs/src/grfmt_pxm.cpp
index 48b6a85..aeb8cf7 100644
--- a/modules/imgcodecs/src/grfmt_pxm.cpp
+++ b/modules/imgcodecs/src/grfmt_pxm.cpp
@@ -332,7 +332,7 @@ bool PxMDecoder::readData( Mat& img )
                         }
                     }
                     else
-                        memcpy( data, src, m_width*(bit_depth/8) );
+                        memcpy( data, src, img.elemSize1()*m_width );
                 }
                 else
                 {