[totem] build: Bump required GTK+ version to 3.9.1

[Bastien Nocera <hadess src gnome org>]

commit f3ddb5c1ca617bb96daec55269e4f35e4dce8a9b
Author: Bastien Nocera <hadess hadess net>
Date:   Wed May 8 13:33:11 2013 +0200

    build: Bump required GTK+ version to 3.9.1
    
    For GtkHeaderBar and GtkStack.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ab278ff..1ee3125 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,7 @@ AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])
 # Requirements
 GLIB_REQS=2.35.0
 GIO_REQS=2.27.92
-GTK_REQS=3.5.2
+GTK_REQS=3.9.1
 TOTEM_PLPARSER_REQS=3.4.4
 GNOMEICON_REQS=2.15.90
 VALA_REQS=0.14.1