[gegl] buffer: fix gegl_buffer_set_color

[Ãyvind KolÃs <ok src gnome org>]

commit d0096a5af814ae438b065f3d5ae601a06b9994cf
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Thu Mar 15 21:22:58 2012 +0000

    buffer: fix gegl_buffer_set_color

 gegl/buffer/gegl-buffer-access.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-access.c b/gegl/buffer/gegl-buffer-access.c
index 567588f..a1f5600 100644
--- a/gegl/buffer/gegl-buffer-access.c
+++ b/gegl/buffer/gegl-buffer-access.c
@@ -1248,7 +1248,7 @@ void            gegl_buffer_set_color         (GeglBuffer          *dst,
     {
       int j;
       for (j = 0; j < i->length; j++)
-        memcpy (((guchar*)(i->data[j * pxsize])), buf, pxsize);
+        memcpy (((guchar*)(i->data[0])) + pxsize * j, buf, pxsize);
     }
 }