[gegl] gegl: fix code-doc vs declration mismatch

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

commit 196898b8068fa6a47bde2a8ab6898b6a091fd11d
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Dec 4 01:57:48 2018 +0100

    gegl: fix code-doc vs declration mismatch

 gegl/property-types/gegl-color.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gegl/property-types/gegl-color.h b/gegl/property-types/gegl-color.h
index 64fabe90c..b3a882869 100644
--- a/gegl/property-types/gegl-color.h
+++ b/gegl/property-types/gegl-color.h
@@ -196,7 +196,7 @@ gegl_param_spec_color_get_default (GParamSpec *self);
 
 /**
  * gegl_color_get_format:
- * @self: a #GeglColor
+ * @color: a #GeglColor
  *
  * Return: (transfer none): the pixel format encoding of the set color.
  */