[gnome-system-monitor] Install appdata to the new location (bgo#790146)

[Robert Roth <robertroth src gnome org>]

commit 43dc0577712a6cd0979e4d85ec5196d507bd6e80
Author: Robert Roth <robert roth off gmail com>
Date:   Fri Nov 10 00:31:38 2017 +0200

    Install appdata to the new location (bgo#790146)

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 57be6a4..993943d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,7 +37,7 @@ Applicationsdir = $(datadir)/applications
 Applications_in_files = gnome-system-monitor.desktop.in gnome-system-monitor-kde.desktop.in
 Applications_DATA = $(Applications_in_files:.desktop.in=.desktop)
 
-appdatadir = $(datadir)/appdata
+appdatadir = $(datadir)/metainfo
 appdata_DATA = $(appdata_in_files:.xml.in=.xml)
 appdata_in_files = gnome-system-monitor.appdata.xml.in
 $(appdata_DATA): $(appdata_in_files)