perf session: Fix indent in perf_session__new()"

Fix up indentation.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: http://lore.kernel.org/lkml/20191007112027.GD6919@kravaSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/session.c

@@ -227,8 +227,8 @@ struct perf_session *perf_session__new(struct perf_data *data,
 			/* Open the directory data. */
 			if (data->is_dir) {
 				ret = perf_data__open_dir(data);
-			if (ret)
-				goto out_delete;
+				if (ret)
+					goto out_delete;
 			}
 		}
 	} else  {