[gvfs] build: Do not build gdu volume monitor by default

[Ondrej Holy <oholy src gnome org>]

commit ac30500d1cd135d0d1dba94365f206d613c7e452
Author: Ondrej Holy <oholy redhat com>
Date:   Thu Oct 26 12:58:05 2017 +0200

    build: Do not build gdu volume monitor by default
    
    The gdu volume monitor shouldn't be build by default. It is superseded
    by udisks2 volume monitor and will be removed soon.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786149

 meson_options.txt |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meson_options.txt b/meson_options.txt
index 3d9a117..540535a 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -7,7 +7,7 @@ option('enable-afp', type: 'boolean', value: true, description: 'build with afp
 option('enable-archive', type: 'boolean', value: true, description: 'build with archive backend')
 option('enable-cdda', type: 'boolean', value: true, description: 'build with cdda backend')
 option('enable-dnssd', type: 'boolean', value: true, description: 'build with dnssd backend')
-option('enable-gdu', type: 'boolean', value: true, description: 'build with gdu volume monitor')
+option('enable-gdu', type: 'boolean', value: false, description: 'build with gdu volume monitor')
 option('enable-goa', type: 'boolean', value: true, description: 'build with goa volume monitor')
 option('enable-google', type: 'boolean', value: true, description: 'build with google backend')
 option('enable-gphoto2', type: 'boolean', value: true, description: 'build with gphoto2 backend and volume 
monitor')