[PATCH] Fix autoconf warnings on AC_AIX/AC_MINIX

[Enrico Weigelt <weigelt metux de>]

-- 
----------------------------------------------------------------------
 Enrico Weigelt, metux IT service -- http://www.metux.de/

 cellphone: +49 174 7066481   email: info metux de   skype: nekrad666
----------------------------------------------------------------------
 Embedded-Linux / Portierung / Opensource-QM / Verteilte Systeme
----------------------------------------------------------------------

#
# This patch replaces the calls to obsolete the macros AC_AIX and AC_MINIX
# by AC_USE_SYSTEM_EXTENSIONS - makes certain autoconf warnings go away.
#
# Reference:	mc-4.6.1
# Submit-By:	Enrico Weigelt, metux IT service <weigelt metux de>
# Submit-Date:	2008-12-30
# State:	new
#
diff -ruN mc-4.6.1.orig/configure.ac mc-4.6.1/configure.ac
--- mc-4.6.1.orig/configure.ac	2008-12-30 01:52:56.000000000 +0100
+++ mc-4.6.1/configure.ac	2008-12-30 02:12:39.000000000 +0100
@@ -13,8 +13,7 @@
 
 AC_CANONICAL_HOST
 
-AC_AIX
-AC_MINIX
+AC_USE_SYSTEM_EXTENSIONS
 AC_ISC_POSIX
 
 AC_PROG_CC_STDC