Update supported platforms in preparation for OpenLDAP 1.1 release.

Wil need to be updated based upon BETA test results before release.

ANNOUNCEMENT

@@ -78,11 +78,10 @@ SUPPORT
 
 SUPPORTED PLATFORMS
 
-    This release has been ported to many UNIX platforms, including
-    SunOS 4.1.x, Solaris 2.x, Ultrix 4.3, HP-UX 9.05, AIX 3.2.5,
-    SCO, FreeBSD, NetBSD, Linux, IRIX, Digital Unix (OSF/1), and
-    NeXTSTEP 3.2.  This release has also been ported to VMS.
+    This release has been ported to many UNIX (and UNIX-like) platforms
+	including AIX, Digital UNIX (OSF/1), FreeBSD, HP-UX, IRIX, Linux,
+	NetBSD, NexTSTEP, OpenBSD, SCO, Solaris, SunOS, and Ultrix.
 
     The client libraries and some clients have also been ported to
-    MacOS 7.x, MSDOS (some TCP stacks), and MS Windows 3.1/95/NT.
+    MS Windows 95/NT.