InfoRefsServlet: Open OutputStreamWriter in try-with-resource

Change-Id: Iaf93d5c020ee67e9effbe93334f1ad419ffaee1f
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoRefsServlet.java

@@ -74,12 +74,13 @@ class InfoRefsServlet extends HttpServlet {
 		rsp.setCharacterEncoding(Constants.CHARACTER_ENCODING);
 
 		final Repository db = getRepository(req);
-		final OutputStreamWriter out = new OutputStreamWriter(
+		try (OutputStreamWriter out = new OutputStreamWriter(
 				new SmartOutputStream(req, rsp, true),
-				Constants.CHARSET);
+				Constants.CHARSET)) {
 			final RefAdvertiser adv = new RefAdvertiser() {
 				@Override
-			protected void writeOne(final CharSequence line) throws IOException {
+				protected void writeOne(final CharSequence line)
+						throws IOException {
 					// Whoever decided that info/refs should use a different
 					// delimiter than the native git:// protocol shouldn't
 					// be allowed to design this sort of stuff. :-(
@@ -97,6 +98,6 @@ class InfoRefsServlet extends HttpServlet {
 			Map<String, Ref> refs = db.getRefDatabase().getRefs(ALL);
 			refs.remove(Constants.HEAD);
 			adv.send(refs);
-		out.close();
+		}
 	}
 }