[gegl] color-to-alpha: Remove redundant assignment

[Mukund Sivaraman <muks src gnome org>]

commit f4857f7e5be3e1ff67d09c150e1a34b6b01b1c93
Author: Mukund Sivaraman <muks banu com>
Date:   Wed Aug 31 19:03:49 2011 +0530

    color-to-alpha: Remove redundant assignment

 operations/workshop/color-to-alpha.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/operations/workshop/color-to-alpha.c b/operations/workshop/color-to-alpha.c
index 9ddc6b8..94959b9 100644
--- a/operations/workshop/color-to-alpha.c
+++ b/operations/workshop/color-to-alpha.c
@@ -89,7 +89,6 @@ color_to_alpha (gfloat     *color,
   gfloat temp[4];
 
   temp[3] = src[offset + 3];
-  src[offset+3] = temp[3];
 
   for (i=0; i<3; i++)
     {