[librsvg] rsvg-handle.c: Add a missing "Since:" annotation

[Federico Mena Quintero <federico src gnome org>]

commit ba1636ba890e37ce901ddc4062fb7d0c381cdc6e
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon May 13 17:08:12 2019 -0500

    rsvg-handle.c: Add a missing "Since:" annotation

 librsvg/rsvg-handle.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/librsvg/rsvg-handle.c b/librsvg/rsvg-handle.c
index 3aa788df..cc9acb60 100644
--- a/librsvg/rsvg-handle.c
+++ b/librsvg/rsvg-handle.c
@@ -1053,6 +1053,8 @@ rsvg_handle_set_size_callback (RsvgHandle *handle,
  * |[
  * <svg xmlns="http://www.w3.org/2000/svg"; width="210mm" height="297mm">
  * ]|
+ *
+ * Since: 2.46
  */
 void
 rsvg_handle_get_intrinsic_dimensions (RsvgHandle *handle,