[gimp] channel-mixer: Remove dead assignment (and variable)

[Mukund Sivaraman <muks src gnome org>]

commit 566e2bf0afa83be067d73ac8dbb87eadaae5cde5
Author: Mukund Sivaraman <muks banu com>
Date:   Tue Oct 4 14:20:25 2011 +0530

    channel-mixer: Remove dead assignment (and variable)

 plug-ins/common/channel-mixer.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/plug-ins/common/channel-mixer.c b/plug-ins/common/channel-mixer.c
index 976cfce..66e3b7f 100644
--- a/plug-ins/common/channel-mixer.c
+++ b/plug-ins/common/channel-mixer.c
@@ -788,15 +788,12 @@ cm_preview (CmParamsType *mix,
   gint          x, y;
   gdouble       red_norm, green_norm, blue_norm, black_norm;
   gint          width, height, bpp;
-  GimpDrawable *drawable;
 
   red_norm   = cm_calculate_norm (mix, &mix->red);
   green_norm = cm_calculate_norm (mix, &mix->green);
   blue_norm  = cm_calculate_norm (mix, &mix->blue);
   black_norm = cm_calculate_norm (mix, &mix->black);
 
-  drawable = gimp_zoom_preview_get_drawable (GIMP_ZOOM_PREVIEW (preview));
-
   src = s = gimp_zoom_preview_get_source (GIMP_ZOOM_PREVIEW (preview),
                                           &width, &height, &bpp);