--- libaitio/configure.in	2013/03/13 14:54:38	1.33
+++ libaitio/configure.in	2013/06/26 22:48:53	1.37
@@ -1,10 +1,13 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.33 2013/03/13 14:54:38 misho Exp $
+# $Id: configure.in,v 1.37 2013/06/26 22:48:53 misho Exp $
 #
-AC_INIT(libaitio, 5.0, misho@elwix.org)
+AC_INIT(libaitio, 5.4, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitio.c])
 AC_CONFIG_HEADERS([inc/config.h])
+
+ac_cv_func_malloc_0_nonnull="yes"
+ac_cv_func_realloc_0_nonnull="yes"
 
 # Checks for programs.
 AC_PROG_CC