Stop the Sone downloader and unregister all USKs when stopping the core.

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index 2ef2d57..0c3d8ff 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -1406,6 +1406,7 @@ public class Core implements IdentityListener {
                                soneInserter.stop();
                        }
                }
+               soneDownloader.stop();
                saveConfiguration();
                stopped = true;
        }