commit 8847db9e44d604db934b01031f007c15fe221cde
author Cristy <urban-warrior@imagemagick.org> Sat Mar 10 16:55:54 2018 -0500
committer Cristy <urban-warrior@imagemagick.org> Sat Mar 10 16:55:54 2018 -0500
tree dacceb6f3d4200e38f229517ca886364487ffd9e
parent 070406cf1b34535945bf41070421ef32db168a82

...

MagickCore/quantize.c

diff --git a/MagickCore/quantize.c b/MagickCore/quantize.c
index ae13eb4..242d2e1 100644
--- a/MagickCore/quantize.c
+++ b/MagickCore/quantize.c
@@ -892,7 +892,7 @@
           ClampPixel(pixel.alpha);
       else
         node_info->total_color.alpha+=count*QuantumScale*
-          ClampPixel(OpaqueAlpha);
+          ClampPixel((MagickRealType) OpaqueAlpha);
       p+=count*GetPixelChannels(image);
     }
     if (cube_info->colors > cube_info->maximum_colors)
@@ -999,7 +999,7 @@
           ClampPixel(pixel.alpha);
       else
         node_info->total_color.alpha+=count*QuantumScale*
-          ClampPixel(OpaqueAlpha);
+          ClampPixel((MagickRealType) OpaqueAlpha);
       p+=count*GetPixelChannels(image);
     }
     proceed=SetImageProgress(image,ClassifyImageTag,(MagickOffsetType) y,