use try-with-resources

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java

@@ -439,9 +439,10 @@ public class WorldEditPlugin extends JavaPlugin { //implements TabCompleter
         File actual = new File(getDataFolder(), name);
         if (!actual.exists()) {
             try {
-                InputStream stream = getResource("defaults/" + name);
+                try (InputStream stream = getResource("defaults/" + name)) {
                     if (stream == null) throw new FileNotFoundException();
                     copyDefaultConfig(stream, actual, name);
+                }
             } catch (IOException e) {
                 getLogger().severe("Unable to read default configuration: " + name);
             }