[gdk-pixbuf] gdk-pixbuf: Mention copy_options() in copy()

[Matthias Clasen <matthiasc src gnome org>]

commit ce4b2a8b895c5c1f0904471a95034e4ae0f670a5
Author: Bastien Nocera <hadess hadess net>
Date:   Sat Jun 25 21:28:47 2016 +0200

    gdk-pixbuf: Mention copy_options() in copy()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=768043

 gdk-pixbuf/gdk-pixbuf.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gdk-pixbuf/gdk-pixbuf.c b/gdk-pixbuf/gdk-pixbuf.c
index e7e389d..0f6d69e 100644
--- a/gdk-pixbuf/gdk-pixbuf.c
+++ b/gdk-pixbuf/gdk-pixbuf.c
@@ -474,7 +474,8 @@ gdk_pixbuf_new (GdkColorspace colorspace,
  * @pixbuf: A pixbuf.
  * 
  * Creates a new #GdkPixbuf with a copy of the information in the specified
- * @pixbuf.
+ * @pixbuf. Note that this does not copy the options set on the original #GdkPixbuf,
+ * use gdk_pixbuf_copy_options() for this.
  * 
  * Return value: (transfer full): A newly-created pixbuf with a reference count of 1, or %NULL if
  * not enough memory could be allocated.