[gtk+] gtk: add "Since: 3.2" to gtk_widget_path_to_string()

[Michael Natterer <mitch src gnome org>]

commit abe63e8aa16f634758ff090702576943960c896a
Author: Michael Natterer <mitch gimp org>
Date:   Sun Mar 27 15:43:31 2011 +0200

    gtk: add "Since: 3.2" to gtk_widget_path_to_string()

 gtk/gtkwidgetpath.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwidgetpath.c b/gtk/gtkwidgetpath.c
index b59229a..384cd5f 100644
--- a/gtk/gtkwidgetpath.c
+++ b/gtk/gtkwidgetpath.c
@@ -231,11 +231,13 @@ gtk_widget_path_length (const GtkWidgetPath *path)
  * Dumps the widget path into a string representation. It tries to match
  * the CSS style as closely as possible (Note that there might be paths
  * that cannot be represented in CSS).
- *                 
+ *
  * The main use of this code is for debugging purposes, so that you can
  * g_print() the path or dump it in a gdb session.
  *
  * Returns: A new string describing @path.
+ *
+ * Since: 3.2
  **/
 char *
 gtk_widget_path_to_string (const GtkWidgetPath *path)