Changed return into a break to make sure SyncImagePixelCache is called.

diff --git a/MagickCore/channel.c b/MagickCore/channel.c
index 01cbb6cd96650b4bec786ec4c64347741375e603..72df89bda75c48e16dfff4d0aab0c6c71a113d20 100644 (file)
--- a/MagickCore/channel.c
+++ b/MagickCore/channel.c
@@ -1217,7 +1217,7 @@ MagickExport MagickBooleanType SetImageAlphaChannel(Image *image,
       }
       image_view=DestroyCacheView(image_view);
       image->alpha_trait=image->background_color.alpha_trait;
-      return(status);
+      break;
     }
     case SetAlphaChannel:
     {