[babl] CIE: comment out self assignments

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 823286af4c045edc0cedb05d074c704672db04ff
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Nov 28 18:09:35 2019 +0100

    CIE: comment out self assignments
    
    This squelches warnings when using clang as the compiler.

 extensions/CIE.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/extensions/CIE.c b/extensions/CIE.c
index 85f8bc581..1607b2706 100644
--- a/extensions/CIE.c
+++ b/extensions/CIE.c
@@ -1076,7 +1076,7 @@ xyYf_to_rgbf (const Babl *conversion,float *src,
       else
         {
           X = (x * Y) / y;
-          Y = Y;
+          //Y = Y;
           Z = ((1 - x - y) * Y) / y;
         }
 
@@ -1130,7 +1130,7 @@ xyYf_to_rgbaf (const Babl *conversion,
       else
         {
           X = (x * Y) / y;
-          Y = Y;
+          //Y = Y;
           Z = ((1 - x - y) * Y) / y;
         }
 
@@ -1183,7 +1183,7 @@ xyYaf_to_rgbaf (const Babl *conversion,
       else
         {
           X = (x * Y) / y;
-          Y = Y;
+          //Y = Y;
           Z = ((1 - x - y) * Y) / y;
         }
 
@@ -1238,7 +1238,7 @@ Yuvf_to_rgbf (const Babl *conversion,float *src,
       else
         {
           X = ((9.0 * u * Y)/(4.0 * v));
-          Y = Y;
+          //Y = Y;
           Z = -(((20.0 * v + 3.0 * u - 12.0) * Y)/(4.0 * v));
         }
 
@@ -1291,7 +1291,7 @@ Yuvf_to_rgbaf (const Babl *conversion,
       else
         {
           X = ((9.0 * u * Y)/(4.0 * v));
-          Y = Y;
+          //Y = Y;
           Z = -(((20.0 * v + 3.0 * u - 12.0) * Y)/(4.0 * v));
         }
 
@@ -1344,7 +1344,7 @@ Yuvaf_to_rgbaf (const Babl *conversion,
       else
         {
           X = ((9.0 * u * Y)/(4.0 * v));
-          Y = Y;
+          //Y = Y;
           Z = -(((20.0 * v + 3.0 * u - 12.0) * Y)/(4.0 * v));
         }