[gimp] Bug 731697 - Colorize operation does not restitute alpha channel correctly

[Michael Natterer <mitch src gnome org>]

commit 0206effba055c6a5655ff8137f536789759de539
Author: Thomas Manni <thomas manni free fr>
Date:   Sun Jun 15 23:39:09 2014 +0200

    Bug 731697 - Colorize operation does not restitute alpha channel correctly
    
    Copy the src alpha value in GimpOperationColorize.

 app/operations/gimpoperationcolorize.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/operations/gimpoperationcolorize.c b/app/operations/gimpoperationcolorize.c
index 1db74fb..b74d747 100644
--- a/app/operations/gimpoperationcolorize.c
+++ b/app/operations/gimpoperationcolorize.c
@@ -130,7 +130,7 @@ gimp_operation_colorize_process (GeglOperation       *operation,
       dest[RED]   = rgb.r; /* * lum; */
       dest[GREEN] = rgb.g; /* * lum; */
       dest[BLUE]  = rgb.b; /* * lum */;
-      dest[ALPHA] = rgb.a;
+      dest[ALPHA] = src[ALPHA];
 
       src  += 4;
       dest += 4;