[gtk/ebassi/for-master] docs: Annotate GtkAppChooserButton::changed

[Emmanuele Bassi <ebassi src gnome org>]

commit 95400e645155981c413abc3e47588b7c52e03c93
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Dec 1 17:16:05 2020 +0000

    docs: Annotate GtkAppChooserButton::changed

 gtk/gtkappchooserbutton.c | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/gtk/gtkappchooserbutton.c b/gtk/gtkappchooserbutton.c
index 7e81e2c925..bc7bbb6876 100644
--- a/gtk/gtkappchooserbutton.c
+++ b/gtk/gtkappchooserbutton.c
@@ -715,6 +715,13 @@ gtk_app_chooser_button_class_init (GtkAppChooserButtonClass *klass)
                           
G_PARAM_READWRITE|G_PARAM_CONSTRUCT|G_PARAM_STATIC_STRINGS|G_PARAM_EXPLICIT_NOTIFY);
   g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
 
+  /**
+   * GtkAppChooserButton::changed:
+   * @self: the object which received the signal
+   *
+   * Emitted when the active application on the #GtkAppChooserButton
+   * changes.
+   */
   signals[SIGNAL_CHANGED] =
     g_signal_new (I_("changed"),
                   G_OBJECT_CLASS_TYPE (klass),