[gimp/metadata-browser] warp: Remove dead assignment

[Roman Joost <romanofski src gnome org>]

commit febc993e22e8d758c2d7089612a53485b08ca361
Author: Mukund Sivaraman <muks banu com>
Date:   Mon Oct 3 12:56:24 2011 +0530

    warp: Remove dead assignment

 plug-ins/common/warp.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/plug-ins/common/warp.c b/plug-ins/common/warp.c
index b136038..4746e42 100644
--- a/plug-ins/common/warp.c
+++ b/plug-ins/common/warp.c
@@ -1340,7 +1340,6 @@ warp_one (GimpDrawable *draw,
   gdouble dx, dy;           /* X and Y Displacement, integer from GRAY map */
 
   gint    xm_alpha = 0;
-  gint    ym_alpha = 0;
   gint    mmag_alpha = 0;
   gint    xm_bytes = 1;
   gint    ym_bytes = 1;
@@ -1395,9 +1394,6 @@ warp_one (GimpDrawable *draw,
    gimp_pixel_rgn_init (&map_y_rgn,
                         map_y, x1, y1, (x2 - x1), (y2 - y1), FALSE, FALSE);
 
-   if (gimp_drawable_has_alpha(map_y->drawable_id))
-     ym_alpha = 1;
-
    ym_bytes = gimp_drawable_bpp(map_y->drawable_id);