[glib] gobject: Mention transfer semantics of installing properties on GObjects

[Philip Withnall <pwithnall src gnome org>]

commit 809c66639fe267fab77828dac19fb9d29bd12ae5
Author: Philip Withnall <withnall endlessm com>
Date:   Wed Feb 14 15:11:11 2018 +0000

    gobject: Mention transfer semantics of installing properties on GObjects
    
    GParamSpec supports floating references.
    
    Signed-off-by: Philip Withnall <withnall endlessm com>
    Reviewed-by: nobody

 gobject/gobject.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gobject/gobject.c b/gobject/gobject.c
index c5bef2ecf..81a1162e9 100644
--- a/gobject/gobject.c
+++ b/gobject/gobject.c
@@ -749,6 +749,8 @@ g_object_class_install_properties (GObjectClass  *oclass,
  * #GTypeInfo.) It must not be called after after @class_init has
  * been called for any object types implementing this interface.
  *
+ * If @pspec is a floating reference, it will be consumed.
+ *
  * Since: 2.4
  */
 void