HSV: add alpha model meta data

diff --git a/extensions/HSV.c b/extensions/HSV.c
index f486981297fcb9acbd1b40641d65355792b2d790..f0492c291c32966245893ec73c1b5c4e1a41635e 100644 (file)
--- a/extensions/HSV.c
+++ b/extensions/HSV.c
@@ -91,6 +91,7 @@ models (void)
     babl_component ("saturation"),
     babl_component ("value"),
     babl_component ("alpha"),
+    "alpha",
     NULL
   );