[ocrfeeder] build: Include the appdata.xml.in file in the dist tarball

[Joaquim Rocha <jrocha src gnome org>]

commit 4548fdefe07ed1ca41aa273ca4a8ffb52042c988
Author: Joaquim Rocha <me joaquimrocha com>
Date:   Sat Mar 7 21:42:17 2020 +0100

    build: Include the appdata.xml.in file in the dist tarball
    
    We need to include the mentioned file in the tarball.
    
    Fixes #21

 resources/Makefile.am | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/resources/Makefile.am b/resources/Makefile.am
index 736b3bc..c120ba2 100644
--- a/resources/Makefile.am
+++ b/resources/Makefile.am
@@ -13,11 +13,18 @@ appstream_in_files = org.gnome.OCRFeeder.appdata.xml.in
 appstream_DATA = $(appstream_in_files:.xml.in=.xml)
 @INTLTOOL_XML_RULE@
 
+
 ui_filesdir = $(datadir)/ocrfeeder
 ui_files_DATA = spell-checker.ui menubar.ui
 
 man_MANS = ocrfeeder.1 ocrfeeder-cli.1
 
-EXTRA_DIST = $(appicon_DATA) $(desktop_in_files) $(appdata_in_files) $(man_MANS) $(ui_files_DATA)
+EXTRA_DIST =                   \
+       $(appicon_DATA)         \
+       $(desktop_in_files)     \
+       $(appdata_in_files)     \
+       $(man_MANS)             \
+       $(ui_files_DATA)        \
+       $(appstream_in_files)
 
 CLEANFILES = $(desktop_DATA) $(appstream_DATA)