[gvfs] build: require GLib 2.31.0

[Cosimo Cecchi <cosimoc src gnome org>]

commit 94489e37b70992961c7afddbb2b875a907a4f35f
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Oct 19 10:29:11 2011 -0400

    build: require GLib 2.31.0
    
    Last commit uses new API in GIO, which is only available in GLib master
    (2.31.0).

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 26f7e68..ee2f90f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,7 @@ GTK_DOC_CHECK
 DISTCHECK_CONFIGURE_FLAGS="--enable-gtk-doc"
 AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
 
-PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.29.14 gthread-2.0 gobject-2.0 gmodule-no-export-2.0 gio-unix-2.0 gio-2.0 )
+PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.31.0 gthread-2.0 gobject-2.0 gmodule-no-export-2.0 gio-unix-2.0 gio-2.0 )
 
 PKG_CHECK_MODULES(DBUS, dbus-1)