Merge branch 'stable-4.5'

* stable-4.5:
  Use the same variable to check and extract LFS object id

Change-Id: I314bd4373f40843c68853b3999f60d85e08628d9
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/fs/FileLfsServlet.java

@@ -128,13 +128,14 @@ public class FileLfsServlet extends HttpServlet {
 	private AnyLongObjectId getObjectToTransfer(HttpServletRequest req,
 			HttpServletResponse rsp) throws IOException {
 		String info = req.getPathInfo();
-		if (info.length() != 1 + Constants.LONG_OBJECT_ID_STRING_LENGTH) {
+		int length = 1 + Constants.LONG_OBJECT_ID_STRING_LENGTH;
+		if (info.length() != length) {
 			sendError(rsp, HttpStatus.SC_UNPROCESSABLE_ENTITY, MessageFormat
 					.format(LfsServerText.get().invalidPathInfo, info));
 			return null;
 		}
 		try {
-			return LongObjectId.fromString(info.substring(1, 65));
+			return LongObjectId.fromString(info.substring(1, length));
 		} catch (InvalidLongObjectIdException e) {
 			sendError(rsp, HttpStatus.SC_UNPROCESSABLE_ENTITY, e.getMessage());
 			return null;