[gnome-documents] build: Remove meson's desktop directory variable

[Iñigo Martínez <inigomartinez src gnome org>]

commit 97dc10b3cf63c8921d0547bc0adda3fcfe1b09cf
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Thu Mar 15 08:24:00 2018 +0100

    build: Remove meson's desktop directory variable
    
    There is a variable available for the directory where desktop files
    are installed. However, this variable is used only once.
    
    The variable has been removed and the path is used directly.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=787013

 data/meson.build |    2 +-
 meson.build      |    1 -
 2 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 246a15a..ce0b648 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -74,7 +74,7 @@ foreach app: documents_apps
     output: desktop,
     po_dir: po_dir,
     install: true,
-    install_dir: documents_desktopdir
+    install_dir: join_paths(documents_datadir, 'applications')
   )
 
   schemas += app.to_lower() + '.gschema.xml'
diff --git a/meson.build b/meson.build
index e93ac30..276e17c 100644
--- a/meson.build
+++ b/meson.build
@@ -25,7 +25,6 @@ documents_mandir = join_paths(documents_prefix, get_option('mandir'))
 documents_pkgdatadir = join_paths(documents_datadir, meson.project_name())
 documents_pkglibdir = join_paths(documents_libdir, meson.project_name())
 
-documents_desktopdir = join_paths(documents_datadir, 'applications')
 documents_schemadir = join_paths(documents_datadir, 'glib-2.0', 'schemas')
 
 documents_debug = get_option('buildtype').contains('debug')