Invoke autoconf/autoreconf with the option --localdir or --include depending

Invoke autoconf/autoreconf with the option --localdir or --include depending
on if pre/post autoconf 2.54. In 2.55 --localdir has been removed and replaced
with --include which was introduced in 2.53.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@14996 dc483132-0cff-0310-8789-dd5450dbe970