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

[Jeremy Bicha <jbicha src gnome org>]

commit 8cae24ea48deafc85265ce42adecb55aa2b57a6f
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Wed Nov 8 12:48:17 2017 -0500

    build: Install appstream metadata to non-deprecated location
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790079

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index ba9a523..df1e906 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -45,7 +45,7 @@ header_DATA = \
 
 # Appdata files
 
-appdatadir = $(datadir)/appdata
+appdatadir = $(datadir)/metainfo
 appdata_in_files = evince.appdata.xml.in
 nodist_appdata_DATA = $(appdata_in_files:.xml.in=.xml)