[gimp] file-sgi: Remove redundant assignment

[Mukund Sivaraman <muks src gnome org>]

commit 91bcc3dff4a03d80a1b1caaba96740650798ab40
Author: Mukund Sivaraman <muks banu com>
Date:   Thu Oct 6 08:29:36 2011 +0530

    file-sgi: Remove redundant assignment

 plug-ins/file-sgi/sgi.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/file-sgi/sgi.c b/plug-ins/file-sgi/sgi.c
index cec58e7..1f7ca44 100644
--- a/plug-ins/file-sgi/sgi.c
+++ b/plug-ins/file-sgi/sgi.c
@@ -540,7 +540,6 @@ save_image (const gchar  *filename,
   gimp_pixel_rgn_init (&pixel_rgn, drawable, 0, 0, drawable->width,
                        drawable->height, FALSE, FALSE);
 
-  zsize = 0;
   switch (gimp_drawable_type (drawable_ID))
     {
     case GIMP_GRAY_IMAGE :