RacyGitTests: Open NameConflictTreeWalk in try-with-resource

Change-Id: Ic17b05fd7d056761b352168de97efb607a289276
Signed-off-by: David Pursehouse <david.pursehouse@sonymobile.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RacyGitTests.java

@@ -82,7 +82,7 @@ public class RacyGitTests extends RepositoryTestCase {
 		}
 		FileTreeIteratorWithTimeControl fileIt = new FileTreeIteratorWithTimeControl(
 				db, modTimes);
-		NameConflictTreeWalk tw = new NameConflictTreeWalk(db);
+		try (NameConflictTreeWalk tw = new NameConflictTreeWalk(db)) {
 			tw.addTree(fileIt);
 			tw.setRecursive(true);
 			FileTreeIterator t;
@@ -90,11 +90,12 @@ public class RacyGitTests extends RepositoryTestCase {
 			for (int i = 0; i < 10; i++) {
 				assertTrue(tw.next());
 				t = tw.getTree(0, FileTreeIterator.class);
-			if (i == 0)
+				if (i == 0) {
 					t0 = t.getEntryLastModified();
-			else
+				} else {
 					assertEquals(t0, t.getEntryLastModified());
 				}
+			}
 			long t1 = 0;
 			for (int i = 0; i < 10; i++) {
 				assertTrue(tw.next());
@@ -102,9 +103,10 @@ public class RacyGitTests extends RepositoryTestCase {
 				if (i == 0) {
 					t1 = t.getEntryLastModified();
 					assertTrue(t1 > t0);
-			} else
+				} else {
 					assertEquals(t1, t.getEntryLastModified());
 				}
+			}
 			long t2 = 0;
 			for (int i = 0; i < 10; i++) {
 				assertTrue(tw.next());
@@ -112,10 +114,12 @@ public class RacyGitTests extends RepositoryTestCase {
 				if (i == 0) {
 					t2 = t.getEntryLastModified();
 					assertTrue(t2 > t1);
-			} else
+				} else {
 					assertEquals(t2, t.getEntryLastModified());
 				}
 			}
+		}
+	}
 
 	public void testRacyGitDetection() throws IOException,
 			IllegalStateException, InterruptedException {