[gnome-documents] build: bump minimum gobject-introspection required version

[Cosimo Cecchi <cosimoc src gnome org>]

commit 91ae1aa4d69874f317819279e5e51fa57bfdfa7a
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Mar 12 11:20:51 2012 -0400

    build: bump minimum gobject-introspection required version
    
    1.31.6 is the version that started shipping GActionMap bindings, which
    we use.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671872

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index eb97cd7..296cd14 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,7 +52,7 @@ AC_SUBST(LIBM)
 EVINCE_MIN_VERSION=3.3.0
 GLIB_MIN_VERSION=2.31.6
 GTK_MIN_VERSION=3.3.6
-GOBJECT_INTROSPECTION_MIN_VERSION=0.9.6
+GOBJECT_INTROSPECTION_MIN_VERSION=1.31.6
 GDATA_MIN_VERSION=0.11.0
 GOA_MIN_VERSION=3.2.0
 CLUTTER_GTK_MIN_VERSION=1.0.2