[gnome-disk-utility] Bump required version of gnome-settings-daemon to 3.8

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 8d1a68dc5dbdfdd888fe668ab85b706fd39f199a
Author: Andreas Henriksson <andreas fatal se>
Date:   Fri Apr 5 12:30:55 2013 +0200

    Bump required version of gnome-settings-daemon to 3.8
    
    Reported by Pacho Ramos in https://bugzilla.gnome.org/697146
    and from the references gentoo bug report:
    
    With gnome-base/gnome-settings-daemon-3.6.4:
    
    gdusdmanager.c: At top level:
    gdusdmanager.c:42:1: error: unknown type name 'GduSdClass'
    gdusdmanager.c:80:1: warning: 'gdu_sd_manager_start' defined but not used [-Wunused-function]
    gdusdmanager.c:124:1: warning: 'gdu_sd_manager_new' defined but not used [-Wunused-function]
    make[3]: *** [libgdu_sd_la-gdusdmanager.lo] Error 1

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6ce5a0d..1c3772f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -104,7 +104,7 @@ LIBSECRET1_REQUIRED=0.7
 PWQUALITY_REQUIRED=1.0.0
 CANBERRA_REQUIRED=0.1
 LIBDVDREAD_REQUIRED=4.2.0
-GSD_PLUGIN_REQUIRED=3.6
+GSD_PLUGIN_REQUIRED=3.8
 LIBNOTIFY_REQUIRED=0.7
 LIBLZMA_REQUIRED=5.0.5