[gdk-pixbuf] Add Since tags

[Matthias Clasen <matthiasc src gnome org>]

commit 24f293ee446719460db5ee924dd7e2330086e6e9
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Dec 16 17:58:32 2011 -0500

    Add Since tags

 gdk-pixbuf/gdk-pixbuf.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gdk-pixbuf/gdk-pixbuf.c b/gdk-pixbuf/gdk-pixbuf.c
index 5b1dd56..b5e6e42 100644
--- a/gdk-pixbuf/gdk-pixbuf.c
+++ b/gdk-pixbuf/gdk-pixbuf.c
@@ -618,13 +618,15 @@ gdk_pixbuf_get_rowstride (const GdkPixbuf *pixbuf)
 
 /**
  * gdk_pixbuf_get_byte_length:
- * @pixbuf: A pixbuf.
+ * @pixbuf: A pixbuf
  *
  * Returns the length of the pixel data, in bytes.
  *
  * Return value: The length of the pixel data.
+ *
+ * Since: 2.26
  */
-inline gsize
+gsize
 gdk_pixbuf_get_byte_length (const GdkPixbuf *pixbuf)
 {
 	g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), -1);