[babl] Add CIE Lab alpha u8 format

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

commit 17e11ea7c33412dd0323ac38e870e99c3fcf527b
Author: Tomasz Golinski <tomaszg math uwb edu pl>
Date:   Fri Oct 8 14:15:05 2021 +0200

    Add CIE Lab alpha u8 format

 extensions/CIE.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/extensions/CIE.c b/extensions/CIE.c
index ecf024184..d2a517947 100644
--- a/extensions/CIE.c
+++ b/extensions/CIE.c
@@ -2976,6 +2976,20 @@ formats (void)
     babl_component ("CIE b"),
     NULL);
 
+  babl_format_new (
+    "name", "CIE Lab alpha u8",
+    babl_model ("CIE Lab alpha"),
+
+    babl_type ("CIE u8 L"),
+    babl_component ("CIE L"),
+    babl_type ("CIE u8 ab"),
+    babl_component ("CIE a"),
+    babl_type ("CIE u8 ab"),
+    babl_component ("CIE b"),
+    babl_type ("u8"),
+    babl_component ("A"),
+    NULL);
+
   babl_format_new (
     "name", "CIE Lab u16",
     babl_model ("CIE Lab"),