Delete aclocal.m4, and require autoconf 2.59, fixing
#811160 in a different way.
diff --git a/configure.in b/configure.in
index 17483b7..1950072 100644
--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@
 m4_define(PYTHON_VERSION, 2.5)
 
 AC_REVISION($Revision$)
-AC_PREREQ(2.53)
+AC_PREREQ(2.59)
 AC_INIT(python, PYTHON_VERSION, http://www.python.org/python-bugs)
 AC_CONFIG_SRCDIR([Include/object.h])
 AC_CONFIG_HEADER(pyconfig.h)