[gnome-documents] Bump GTK minimum version

[William Jon McCann <mccann src gnome org>]

commit 584304df944f4a853a0f7e43433218c039807293
Author: William Jon McCann <jmccann redhat com>
Date:   Sun Jan 20 16:55:17 2013 -0500

    Bump GTK minimum version

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 887a9f7..70f6d75 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,7 @@ AC_SUBST(LIBM)
 
 EVINCE_MIN_VERSION=3.7.4
 GLIB_MIN_VERSION=2.35.1
-GTK_MIN_VERSION=3.5.5
+GTK_MIN_VERSION=3.7.7
 GOBJECT_INTROSPECTION_MIN_VERSION=1.31.6
 GDATA_MIN_VERSION=0.13.1
 GOA_MIN_VERSION=3.2.0