perf session: Fix indent in perf_session__new()"

Fix up indentation.

Signed-off-by: Jiri Olsa <[e-mail]>
Acked-by: Adrian Hunter <[e-mail]>
Link: http://lore.kernel.org/lkml/20191007112027.GD6919@krava
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/util/session.c

···
 			/* 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  {