[gimp/pippin/linear-is-the-new-black] app: gimp_composite_blend initialize all fishes to NULL

[Øyvind Kolås <ok src gnome org>]

commit 27db04812960d54f509bcb4ce7d8476b3bfa1447
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Jan 17 21:20:45 2017 +0100

    app: gimp_composite_blend initialize all fishes to NULL

 .../layer-modes/gimpoperationpointlayermode.h      |   12 +++---------
 1 files changed, 3 insertions(+), 9 deletions(-)
---
diff --git a/app/operations/layer-modes/gimpoperationpointlayermode.h 
b/app/operations/layer-modes/gimpoperationpointlayermode.h
index e04b430..27d086a 100644
--- a/app/operations/layer-modes/gimpoperationpointlayermode.h
+++ b/app/operations/layer-modes/gimpoperationpointlayermode.h
@@ -122,20 +122,17 @@ gimp_composite_blend (gfloat                *in,
   gfloat *blend_in    = in;
   gfloat *blend_layer = layer;
   gfloat *blend_out   = out;
-  const Babl *fish_to_blend;
-  const Babl *fish_to_composite;
-  const Babl *fish_from_composite;
+  const Babl *fish_to_blend = NULL;
+  const Babl *fish_to_composite = NULL;
+  const Babl *fish_from_composite = NULL;
  
   switch (blend_trc)
   {
     case GIMP_LAYER_BLEND_RGB_LINEAR:
-      fish_to_blend = NULL;
       switch (composite_trc)
       {
         default:
         case GIMP_LAYER_BLEND_RGB_LINEAR:
-          fish_to_composite  = NULL;
-          fish_from_composite = NULL;
           break;
         case GIMP_LAYER_BLEND_RGB_PERCEPTUAL:
           fish_to_composite = _gimp_fish_rgba_to_perceptual;
@@ -150,7 +147,6 @@ gimp_composite_blend (gfloat                *in,
         default:
         case GIMP_LAYER_BLEND_RGB_LINEAR:
           fish_to_composite = _gimp_fish_laba_to_rgba;
-          fish_from_composite = NULL;
           break;
         case GIMP_LAYER_BLEND_RGB_PERCEPTUAL:
           fish_to_composite = _gimp_fish_laba_to_perceptual;
@@ -165,10 +161,8 @@ gimp_composite_blend (gfloat                *in,
         default:
         case GIMP_LAYER_BLEND_RGB_LINEAR:
           fish_to_composite = _gimp_fish_perceptual_to_rgba;
-          fish_from_composite = NULL;
           break;
         case GIMP_LAYER_BLEND_RGB_PERCEPTUAL:
-          fish_to_composite = NULL;
           fish_from_composite = _gimp_fish_perceptual_to_rgba;
           break;
       }