[gtk+] Add missing (out) annotation to gdk_rgba_parse

[Matthias Clasen <matthiasc src gnome org>]

commit 695860958a9a2e7c825bcec4d0d42b427f0fb47e
Author: Phil Clayton <phil clayton lineone net>
Date:   Sun Sep 13 11:58:37 2015 +0100

    Add missing (out) annotation to gdk_rgba_parse
    
    https://bugzilla.gnome.org/show_bug.cgi?id=754990

 gdk/gdkrgba.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkrgba.c b/gdk/gdkrgba.c
index 2a8e096..86ea928 100644
--- a/gdk/gdkrgba.c
+++ b/gdk/gdkrgba.c
@@ -134,7 +134,7 @@ parse_rgb_value (const gchar  *str,
 
 /**
  * gdk_rgba_parse:
- * @rgba: the #GdkRGBA to fill in
+ * @rgba: (out): the #GdkRGBA to fill in
  * @spec: the string specifying the color
  *
  * Parses a textual representation of a color, filling in