Add missing @since 3.5 tag to RepoCommand.setIncludedFileReader

Change-Id: Ib5d24f8dafacc0d12c36927c2bbc3ebef2fff7b2

org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java

@@ -667,6 +667,7 @@ public class RepoCommand extends GitCommand<RevCommit> {
 	 *
 	 * @param reader
 	 * @return this command
+	 * @since 3.5
 	 */
 	public RepoCommand setIncludedFileReader(IncludedFileReader reader) {
 		this.includedReader = reader;