[libchamplain] Use correct Since release

[Jiří Techet <jiritechet src gnome org>]

commit d03dabc9e35d0cd3ba6c0546eb8202fe5d57b75e
Author: Jiří Techet <techet gmail com>
Date:   Thu Feb 6 20:26:02 2014 +0100

    Use correct Since release

 champlain/champlain-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/champlain/champlain-view.c b/champlain/champlain-view.c
index 2475d0e..f9e4059 100644
--- a/champlain/champlain-view.c
+++ b/champlain/champlain-view.c
@@ -3078,7 +3078,7 @@ get_bounding_box (ChamplainView *view,
  *
  * Returns: (transfer full): the bounding box for the view at @zoom_level.
  *
- * Since: 0.12.7
+ * Since: 0.12.6
  */
 ChamplainBoundingBox *
 champlain_view_get_bounding_box_for_zoom_level (ChamplainView *view,