Catch against sqlite initialisation failures

osu.Game/Beatmaps/BeatmapUpdaterMetadataLookup.cs

@@ -41,10 +41,17 @@ namespace osu.Game.Beatmaps
         private const string cache_database_name = "online.db";
 
         public BeatmapUpdaterMetadataLookup(IAPIProvider api, Storage storage)
+        {
+            try
             {
                 // required to initialise native SQLite libraries on some platforms.
                 Batteries_V2.Init();
                 raw.sqlite3_config(2 /*SQLITE_CONFIG_MULTITHREAD*/);
+            }
+            catch
+            {
+                // may fail if platform not supported.
+            }
 
             this.api = api;
             this.storage = storage;