[babl] removed redundant RGBA double registration

[Øyvind Kolås <ok src gnome org>]

commit 8f30c5109fe921bea7c52f00d1133a52b22126e5
Author: Rupert Weber <gimp leguanease org>
Date:   Sun Sep 19 14:59:07 2010 +0200

    removed redundant RGBA double registration
    
    "RGBA double2 was registred twice, once per name, once per id.

 babl/babl-core.c  |   10 ----------
 babl/babl-model.c |    7 ++++++-
 2 files changed, 6 insertions(+), 11 deletions(-)
---
diff --git a/babl/babl-core.c b/babl/babl-core.c
index f66b191..00e43e8 100644
--- a/babl/babl-core.c
+++ b/babl/babl-core.c
@@ -133,16 +133,6 @@ babl_core_init (void)
     babl_component_from_id (BABL_ALPHA),
     NULL);
 
-  babl_format_new (
-    "id", BABL_RGBA_DOUBLE,
-    babl_model_from_id (BABL_RGBA),
-    babl_type_from_id (BABL_DOUBLE),
-    babl_component_from_id (BABL_RED),
-    babl_component_from_id (BABL_GREEN),
-    babl_component_from_id (BABL_BLUE),
-    babl_component_from_id (BABL_ALPHA),
-    NULL);
-
   /*
      babl_conversion_new (
      babl_model_from_id (BABL_RGBA),
diff --git a/babl/babl-model.c b/babl/babl-model.c
index 11a3dd1..be2cdde 100644
--- a/babl/babl-model.c
+++ b/babl/babl-model.c
@@ -244,10 +244,15 @@ static Babl *reference_format (void)
 
 static Babl *construct_double_format (Babl *model)
 {
-  void *argument[42 + 1];
+  void *argument[44 + 1];
   int   args = 0;
   int   i;
 
+  if (model == babl_model_from_id (BABL_RGBA))
+    {
+      argument[args++] = "id";
+      argument[args++] = (void*) BABL_RGBA_DOUBLE;
+    }
   argument[args++] = model;
   argument[args++] = babl_type_from_id (BABL_DOUBLE);