[evince] libview: Fix Since docstring in new API

[Jose Aliste <jaliste src gnome org>]

commit 4dc7d69ee83fe9aac937db863cd17389d23a6e6b
Author: José Aliste <jose aliste gmail com>
Date:   Thu Mar 15 00:18:16 2018 -0300

    libview: Fix Since docstring in new API
    
    BY mistake we put Since:3.28 instead of 3.30 in the
    new method add_markup_annotaiton_from_selection

 libview/ev-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libview/ev-view.c b/libview/ev-view.c
index 702fa83..488c368 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -5669,7 +5669,7 @@ ev_view_motion_notify_event (GtkWidget      *widget,
  *
  * Returns: %TRUE if annotations were added successfully, %FALSE otherwise.
  *
- * Since: 3.28
+ * Since: 3.30
  */
 gboolean
 ev_view_add_text_markup_annotation_for_selected_text (EvView  *view)