nits

Author: vladak

opengrok-indexer/src/main/java/org/opengrok/indexer/history/HistoryGuru.java

@@ -156,6 +156,7 @@ public String getCacheInfo() throws HistoryException {
      * <code>HistoryParser</code> does not support annotation
      * @throws IOException if I/O exception occurs
      */
+    @Nullable
     public Annotation annotate(File file, String rev) throws IOException {
         Annotation annotation = null;
 

opengrok-indexer/src/test/java/org/opengrok/indexer/history/HistoryGuruTest.java

@@ -75,8 +75,7 @@ public static void setUpClass() throws Exception {
         repository = new TestRepository();
         repository.create(HistoryGuru.class.getResource("/repositories"));
         RepositoryFactory.initializeIgnoredNames(env);
-        FileUtilities.getAllFiles(new File(repository.getSourceRoot()),
-                FILES, true);
+        FileUtilities.getAllFiles(new File(repository.getSourceRoot()), FILES, true);
         assertNotEquals(0, FILES.size());
 
         HistoryGuru histGuru = HistoryGuru.getInstance();