DirCacheCGitCompatabilityTest: Open BufferedReader in try-with-resource

Change-Id: I0494eb475954927743174941a7d6c06d8431f57f
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheCGitCompatabilityTest.java

@@ -234,32 +234,26 @@ public class DirCacheCGitCompatabilityTest extends LocalDiskRepositoryTestCase {
 
 	private static Map<String, CGitIndexRecord> readLsFiles() throws Exception {
 		final LinkedHashMap<String, CGitIndexRecord> r = new LinkedHashMap<>();
-		final BufferedReader br = new BufferedReader(new InputStreamReader(
-				new FileInputStream(pathOf("gitgit.lsfiles")), "UTF-8"));
-		try {
+		try (BufferedReader br = new BufferedReader(new InputStreamReader(
+				new FileInputStream(pathOf("gitgit.lsfiles")), "UTF-8"))) {
 			String line;
 			while ((line = br.readLine()) != null) {
 				final CGitIndexRecord cr = new CGitIndexRecord(line);
 				r.put(cr.path, cr);
 			}
-		} finally {
-			br.close();
 		}
 		return r;
 	}
 
 	private static Map<String, CGitLsTreeRecord> readLsTree() throws Exception {
 		final LinkedHashMap<String, CGitLsTreeRecord> r = new LinkedHashMap<>();
-		final BufferedReader br = new BufferedReader(new InputStreamReader(
-				new FileInputStream(pathOf("gitgit.lstree")), "UTF-8"));
-		try {
+		try (BufferedReader br = new BufferedReader(new InputStreamReader(
+				new FileInputStream(pathOf("gitgit.lstree")), "UTF-8"))) {
 			String line;
 			while ((line = br.readLine()) != null) {
 				final CGitLsTreeRecord cr = new CGitLsTreeRecord(line);
 				r.put(cr.path, cr);
 			}
-		} finally {
-			br.close();
 		}
 		return r;
 	}