[PATCH] Fixed warning

[Wald Commits]

# HG changeset patch
# User gernotbelger
# Date 1528449718 -7200
# Node ID 41377ff4bc2ed9aedba951dc113d8366d7002046
# Parent  2ae6c63c576bf32542de54d2966b193d6dc3c310
Fixed warning

diff -r 2ae6c63c576b -r 41377ff4bc2e backend/src/main/java/org/dive4elements/river/backend/FLYSCredentials.java
--- a/backend/src/main/java/org/dive4elements/river/backend/FLYSCredentials.java	Fri Jun 08 11:14:51 2018 +0200
+++ b/backend/src/main/java/org/dive4elements/river/backend/FLYSCredentials.java	Fri Jun 08 11:21:58 2018 +0200
@@ -167,7 +167,7 @@
     public static final String DEFAULT_MAX_WAIT =
             System.getProperty("flys.backend.connection.max.wait");
 
-    public static final Class [] CLASSES = {
+    public static final Class<?>[] CLASSES = {
             Annotation.class,
             AnnotationType.class,
             Attribute.class,