[NetworkManager-libreswan] build: Use /usr/share/metainfo for AppData files

[Lubomir Rintel <lkundrak src gnome org>]

commit d0e7c0ebfc37769324174f7199c2b95c42fd59bf
Author: Matthew Smith <matt offtopica uk>
Date:   Thu Dec 30 09:50:16 2021 +0000

    build: Use /usr/share/metainfo for AppData files
    
    See-also: https://wiki.debian.org/AppStream/Guidelines
    
    https://gitlab.gnome.org/GNOME/NetworkManager-libreswan/-/merge_requests/18

 Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Makefile.am b/Makefile.am
index 89922c0..3810072 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -319,7 +319,7 @@ uninstall-hook:
         rm -f $(DESTDIR)$(sysconfdir)/NetworkManager/VPN/nm-libreswan-service.name
 endif
 
-appdatadir = $(datadir)/appdata
+appdatadir = $(datadir)/metainfo
 appdata_files = $(appdata_in_files:.xml.in=.xml)
 if WITH_GNOME
 appdata_DATA = $(appdata_in_files:.xml.in=.xml)