[eog] Raise GTK+ dependency for GtkRevealer

[Felix Riemann <friemann src gnome org>]

commit 74c9c1617292823f86fd00bd94c01614b9db33b6
Author: Felix Riemann <friemann gnome org>
Date:   Fri Oct 25 17:57:37 2013 +0200

    Raise GTK+ dependency for GtkRevealer
    
    GtkRevealer came with GTK+ 3.9.0.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a65cd1f..94a5fd9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,7 +84,7 @@ YELP_HELP_INIT
 # GNOME Libs
 # **********
 
-GTK_REQUIRED=3.7.8
+GTK_REQUIRED=3.9.0
 GLIB_REQUIRED=2.38.0
 GNOME_DESKTOP_REQUIRED=2.91.2
 GDKPIXBUF_REQUIRED=2.4.0