[gnome-books/wip/jtojnar/flatpak-fix] flatpak: Fix evince build

[Jan Tojnar <jtojnar src gnome org>]

commit 7f154e42f7ec224f65d6f1e3f382306cd6ab81f0
Author: Jan Tojnar <jtojnar gmail com>
Date:   Wed Mar 30 15:47:00 2022 +0200

    flatpak: Fix evince build

 flatpak/org.gnome.Books.json | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/flatpak/org.gnome.Books.json b/flatpak/org.gnome.Books.json
index 7d2a395c..b15c3031 100644
--- a/flatpak/org.gnome.Books.json
+++ b/flatpak/org.gnome.Books.json
@@ -111,6 +111,19 @@
                 }
             ]
         },
+        {
+            "name": "libarchive",
+            "cleanup": [
+                "/bin"
+            ],
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": "https://libarchive.org/downloads/libarchive-3.6.0.tar.xz";,
+                    "sha256": "df283917799cb88659a5b33c0a598f04352d61936abcd8a48fe7b64e74950de7"
+                }
+            ]
+        },
         {
             "name": "evince",
             "buildsystem": "meson",