use of AC_INIT in configure.scan

[Paul Martinolich]

Using CVS autoscan to produce a configure.scan file, I noticed it used
the older 2.14 way of doing things:  AC_INIT(unique-file-in-source-dir).
With autoconf 2.49b, the AC_INIT macro is documented as requiring the
PACKAGE and VERSION (from automake, I guess) and the newer macro
AC_CONFIG_SRCDIR(unique-file-in-source-dir).  Autoscan should probably
be changed to reflect the newer methods.

Paul