[libdmapsharing] Update Vala code to build with Vala 0.44.3

[W. Michael Petullo <wmpetullo src gnome org>]

commit 67281ed0c683d8321c99638b9aa1833dadb99d66
Author: W. Michael Petullo <mike flyn org>
Date:   Sun Apr 28 00:59:40 2019 -0400

    Update Vala code to build with Vala 0.44.3
    
    Signed-off-by: W. Michael Petullo <mike flyn org>

 tests/vala-dmap-container-db.vala | 3 +--
 tests/vala-dmap-db.vala           | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/tests/vala-dmap-container-db.vala b/tests/vala-dmap-container-db.vala
index ab304a2..d46ea2c 100644
--- a/tests/vala-dmap-container-db.vala
+++ b/tests/vala-dmap-container-db.vala
@@ -23,8 +23,7 @@
 private class ValaDmapContainerDb : GLib.Object, Dmap.ContainerDb {
        // A dumb database that stores everything in an array
 
-       /* FIXME: What is with this unowned? */
-       private Gee.ArrayList<unowned Dmap.Record> db = new Gee.ArrayList<Dmap.Record> ();
+       private Gee.ArrayList<Dmap.Record> db = new Gee.ArrayList<Dmap.Record> ();
 
        public int64 count () {
                return db.size;
diff --git a/tests/vala-dmap-db.vala b/tests/vala-dmap-db.vala
index 97736ee..743a582 100644
--- a/tests/vala-dmap-db.vala
+++ b/tests/vala-dmap-db.vala
@@ -24,7 +24,7 @@ private class ValaDmapDb : GLib.Object, Dmap.Db {
        // A dumb database that stores everything in an array
 
        /* FIXME: What is with this unowned? */
-       private Gee.ArrayList<unowned Dmap.Record> db = new Gee.ArrayList<Dmap.Record> ();
+       private Gee.ArrayList<unowned Dmap.Record> db = new Gee.ArrayList<weak Dmap.Record> ();
 
        public uint add (Dmap.Record record) {
                db.add (((Dmap.Record) record));