[PBCKP-314] Call FOBJ_FUNC_ARP() to initialize top-level autorelease pool.

Author: Sergey Fukanchik

src/pg_probackup.c

@@ -294,6 +294,7 @@ main(int argc, char *argv[])
 
 	ft_init_log(elog_ft_log);
 	fobj_init();
+	FOBJ_FUNC_ARP();
 	init_pio_objects();
 
 	PROGRAM_NAME_FULL = argv[0];