[glib] mount-operation: add a Since tag to the show-unmount-progress signal

[Cosimo Cecchi <cosimoc src gnome org>]

commit 99f26ab08f777040230fdd81423d1220722cef2f
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Jul 11 20:25:59 2012 -0400

    mount-operation: add a Since tag to the show-unmount-progress signal

 gio/gmountoperation.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gio/gmountoperation.c b/gio/gmountoperation.c
index 118d0fe..31b2a34 100644
--- a/gio/gmountoperation.c
+++ b/gio/gmountoperation.c
@@ -408,6 +408,8 @@ g_mount_operation_class_init (GMountOperationClass *klass)
    * If the message contains a line break, the first line should be
    * presented as a heading. For example, it may be used as the
    * primary text in a #GtkMessageDialog.
+   *
+   * Since: 2.34
    */
   signals[SHOW_UNMOUNT_PROGRESS] =
     g_signal_new (I_("show-unmount-progress"),