[gtk+] Trivial: clarify a comment

[Matthias Clasen <matthiasc src gnome org>]

commit 1b858e4212f45e214d5d253dd0dba57845254a06
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 21 14:29:36 2014 -0400

    Trivial: clarify a comment
    
    Using 'highcolor' here seems confusing, since there is a theme
    by that name. Just say full-color.

 gtk/gtkicontheme.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index 8ac6dd6..1dd7566 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -1700,7 +1700,7 @@ real_choose_icon (GtkIconTheme       *icon_theme,
 
   /* for symbolic icons, do a search in all registered themes first;
    * a theme that inherits them from a parent theme might provide
-   * an alternative highcolor version, but still expect the symbolic icon
+   * an alternative full-color version, but still expect the symbolic icon
    * to show up instead.
    */
   if (icon_names[0] &&