auth-pam.c support for pam_chauthtok()

[Kevin Steves]

On Wed, 20 Dec 2000, Damien Miller wrote:
: --- configure.in	2000/12/18 19:58:57	1.205
: +++ configure.in	2000/12/19 23:43:12
: @@ -77,6 +77,7 @@
:  	fi
:  	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
:  	IPADDR_IN_DISPLAY=yes
: +	AC_DEFINE(PAM_SUN)
:  	AC_DEFINE(USE_PIPES)
:  	AC_DEFINE(DISABLE_SHADOW)
:  	AC_DEFINE(DISABLE_UTMP)

HP-UX 10* doesn't set and doesn't want to use USE_PAM, so I don't think
we should set it for that platform.

Also, what about PAM_SUN_CODEBASE, to eliminate confusion about defining
it on non-Sun platforms?