[totem] build: Require GTK+ 3.16

[Bastien Nocera <hadess src gnome org>]

commit 055a6b013f6234f88b82c631de6e70ac8e5d51e3
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Apr 27 13:10:33 2015 +0200

    build: Require GTK+ 3.16
    
    As required by the new API usage in commit b8ebe524

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 53aa292..3ca032a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,7 +53,7 @@ AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])
 # Requirements
 GLIB_REQS=2.35.0
 GIO_REQS=2.27.92
-GTK_REQS=3.11.5
+GTK_REQS=3.16.0
 TOTEM_PLPARSER_REQS=3.10.1
 VALA_REQS=0.14.1
 PEAS_REQS=1.1.0