[gtk-vnc] colormap: fix GI annotation for lookup

[Daniel P. Berrange <dberrange src gnome org>]

commit 061a1d89e15f74d83e37c3e03e489f7a11f287dd
Author: Marc-André Lureau <marcandre lureau gmail com>
Date:   Fri Apr 2 19:23:30 2021 +0400

    colormap: fix GI annotation for lookup
    
    Signed-off-by: Marc-André Lureau <marcandre lureau redhat com>

 src/vnccolormap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/vnccolormap.c b/src/vnccolormap.c
index b4b3ad2..03cdec8 100644
--- a/src/vnccolormap.c
+++ b/src/vnccolormap.c
@@ -134,9 +134,9 @@ gboolean vnc_color_map_set(VncColorMap *map,
  * vnc_color_map_lookup:
  * @map: the color map object
  * @idx: the index to set
- * @red: pointer to hold the red value
- * @green: pointer to hold the green value
- * @blue: pointer to hold the blue value
+ * @red: (out): pointer to hold the red value
+ * @green: (out): pointer to hold the green value
+ * @blue: (out): pointer to hold the blue value
  *
  * Lookup the RGB values associated with the
  * colour map entry at position @idx