[glib] Fix up 'Since:' for g_mapped_file_new_from_fd()

[Richard Hughes <rhughes src gnome org>]

commit eece6cb9c33dbbc30e6a71e09f699fe1ab6fdff3
Author: Richard Hughes <richard hughsie com>
Date:   Thu Feb 23 10:34:46 2012 +0000

    Fix up 'Since:' for g_mapped_file_new_from_fd()
    
    It was introduced in 2.31.0, not 2.30.x

 glib/gmappedfile.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/gmappedfile.c b/glib/gmappedfile.c
index a303a36..b541870 100644
--- a/glib/gmappedfile.c
+++ b/glib/gmappedfile.c
@@ -293,7 +293,7 @@ g_mapped_file_new (const gchar  *filename,
  * Return value: a newly allocated #GMappedFile which must be unref'd
  *    with g_mapped_file_unref(), or %NULL if the mapping failed.
  *
- * Since: 2.30
+ * Since: 2.32
  */
 GMappedFile *
 g_mapped_file_new_from_fd (gint          fd,