[shotwell/shotwell-0.26] Use new location for appdata files

[Jens Georg <jensgeorg src gnome org>]

commit b952107e99b6b1e7659c27b5fdd7cd8b5ada9064
Author: Jens Georg <mail jensge org>
Date:   Mon Jan 1 13:26:13 2018 +0100

    Use new location for appdata files
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790185

 m4/appstream-xml.m4 |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/m4/appstream-xml.m4 b/m4/appstream-xml.m4
index 1472802..11ed91a 100644
--- a/m4/appstream-xml.m4
+++ b/m4/appstream-xml.m4
@@ -10,7 +10,7 @@ dnl Add @APPSTREAM_XML_RULES@ to a Makefile.am to substitute the make rules. Add
 dnl .appdata.xml files to appstream_XML in Makefile.am and they will be validated
 dnl at make check time, if appstream-util is installed, as well as installed
 dnl to the correct location automatically. Add --enable-appstream-util to
-dnl DISTCHECK_CONFIGURE_FLAGS in Makefile.am to require valid AppData XML when
+dnl AM_DISTCHECK_CONFIGURE_FLAGS in Makefile.am to require valid AppData XML when
 dnl doing a distcheck.
 dnl
 dnl Adding files to appstream_XML does not distribute them automatically.
@@ -36,7 +36,7 @@ AC_DEFUN([APPSTREAM_XML],
          AS_IF([test "x$enable_appstream_validate" = "xyes"],
                [AC_MSG_ERROR([AppData validation was requested but appstream-util was not found])])])
 
-  AC_SUBST([appstreamxmldir], [${datadir}/appdata])
+  AC_SUBST([appstreamxmldir], [${datadir}/metainfo])
 
   APPSTREAM_XML_RULES='
 .PHONY : uninstall-appstream-xml install-appstream-xml clean-appstream-xml