[gnome-dictionary] build: Use modern metainfo location

[Piotr Drąg <piotrdrag src gnome org>]

commit 9fc86595c0dea3c130eaabb7508b1d4bf4ec576a
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Sep 29 01:33:00 2018 +0200

    build: Use modern metainfo location

 data/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/meson.build b/data/meson.build
index c2ba977..b41053d 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -18,7 +18,7 @@ i18n.merge_file ('appdata',
                  input: 'org.gnome.Dictionary.appdata.xml.in',
                  output: 'org.gnome.Dictionary.appdata.xml',
                  install: true,
-                 install_dir: join_paths(gdict_datadir, 'appdata'),
+                 install_dir: join_paths(gdict_datadir, 'metainfo'),
                  po_dir: po_dir)
 
 appstream_util = find_program('appstream-util', required: false)