[gdm] Do not hardcode path to true(1).

[Antoine Jacoutot <ajacoutot src gnome org>]

commit ec51fa369bf3012357c9349a35152e82b0d3b80d
Author: Antoine Jacoutot <ajacoutot gnome org>
Date:   Thu Apr 16 13:30:39 2015 +0200

    Do not hardcode path to true(1).
    
    https://bugzilla.gnome.org/show_bug.cgi?id=747987

 data/applications/mime-dummy-handler.desktop |    2 +-
 data/dconf/defaults/00-upstream-settings     |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/applications/mime-dummy-handler.desktop b/data/applications/mime-dummy-handler.desktop
index c94779c..8f6623e 100644
--- a/data/applications/mime-dummy-handler.desktop
+++ b/data/applications/mime-dummy-handler.desktop
@@ -1,6 +1,6 @@
 [Desktop Entry]
 Type=Application
 Name=Dummy URI Handler
-Exec=/bin/true %U
+Exec=true %U
 Terminal=false
 StartupNotify=false
diff --git a/data/dconf/defaults/00-upstream-settings b/data/dconf/defaults/00-upstream-settings
index fa81c26..e2745fc 100644
--- a/data/dconf/defaults/00-upstream-settings
+++ b/data/dconf/defaults/00-upstream-settings
@@ -13,7 +13,7 @@ enable=true
 show-desktop-icons=false
 
 [org/gnome/desktop/default-applications/terminal]
-exec='/bin/true'
+exec='true'
 
 [org/gnome/desktop/interface]
 toolkit-accessibility=true