[sysprof] build: Install appstream metadata to non-deprecated location

[Christian Hergert <chergert src gnome org>]

commit f426bc061e8061a6afa5683a1720070d1e0719b7
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Nov 26 19:05:17 2017 -0500

    build: Install appstream metadata to non-deprecated location
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790878

 data/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 5f5e293..b4175b6 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -16,7 +16,7 @@ custom_target('appdata-file',
     output: 'org.gnome.Sysprof2.appdata.xml',
     command: [msgfmt, '--xml', '--template', '@INPUT@', '-d', podir, '-o', '@OUTPUT@'],
     install: true,
-    install_dir: join_paths(datadir, 'appdata')
+    install_dir: join_paths(datadir, 'metainfo')
 )
 
 custom_target('desktop-file',