[gimp] app: unconditionally set alpha in hardlight/softlight/overlay

[Øyvind Kolås <ok src gnome org>]

commit f64566532424e9c1b9431cc08fd39aa8146398ea
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Jan 19 14:44:39 2017 +0100

    app: unconditionally set alpha in hardlight/softlight/overlay

 app/operations/layer-modes/gimpblendcomposite.h |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/app/operations/layer-modes/gimpblendcomposite.h b/app/operations/layer-modes/gimpblendcomposite.h
index b369354..8f65955 100644
--- a/app/operations/layer-modes/gimpblendcomposite.h
+++ b/app/operations/layer-modes/gimpblendcomposite.h
@@ -660,9 +660,8 @@ blendfun_hardlight (const float *dest,
 
               out[c] = comp;
             }
-
-          out[ALPHA] = src[ALPHA];
         }
+      out[ALPHA] = src[ALPHA];
 
       out  += 4;
       src  += 4;
@@ -690,9 +689,8 @@ blendfun_softlight (const float *dest,
 
               out[c] = comp;
             }
-
-          out[ALPHA] = src[ALPHA];
         }
+      out[ALPHA] = src[ALPHA];
 
       out  += 4;
       src  += 4;
@@ -727,9 +725,8 @@ blendfun_overlay (const float *dest,
 
               out[c] = comp;
             }
-
-          out[ALPHA] = src[ALPHA];
         }
+      out[ALPHA] = src[ALPHA];
 
       out  += 4;
       src  += 4;