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

[Jeremy Bicha <jbicha src gnome org>]

commit 6387f6531e1e893b8e8d9fc6bc5dba043020ea4a
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Nov 26 18:51:10 2017 -0500

    build: Install appstream metadata to non-deprecated location
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790874

 data/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/Makefile.am b/data/Makefile.am
index ec721b4..a6c87f2 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -5,7 +5,7 @@ SUBDIRS = \
        pixmaps
 
 @INTLTOOL_XML_RULE@
-appdatadir = $(datadir)/appdata
+appdatadir = $(datadir)/metainfo
 appdata_DATA = $(appdata_in_files:.xml.in=.xml)
 appdata_in_files = gtranslator.appdata.xml.in