--- libaitsync/configure.in	2013/01/17 10:25:39	1.5.2.1
+++ libaitsync/configure.in	2013/05/30 09:24:18	1.6
@@ -1,10 +1,13 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.5.2.1 2013/01/17 10:25:39 misho Exp $
+# $Id: configure.in,v 1.6 2013/05/30 09:24:18 misho Exp $
 #
 AC_INIT(libaitsync, 2.0, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitsync.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