Explicitly state the service pack of VC supported in Install.nt

Yitzhak discovered that there is a problem if you have the original
Visual Studio 6 with no service packs.

diff --git a/sys/winnt/Install.nt b/sys/winnt/Install.nt
index f99445ba592b92f19c27d0f0c591d4c85218fdbb..aed433a3faa3bafdffb4f71452047c9218fb2bd3 100644 (file)
--- a/sys/winnt/Install.nt
+++ b/sys/winnt/Install.nt
@@ -14,8 +14,8 @@ Nethackw) goes to Alex Kompel who contributed the port.
 
 You can build either the TTY version of NetHack or the Windows Graphical 
 version.  In either case you will need:
-  o A copy of Microsoft Visual C V6.0 or later.  Things may work with an
-    earlier version of the compiler, but the current code has not been
+  o A copy of Microsoft Visual C V6.0 SP3 or later.  Things may work with 
+    an earlier version of the compiler, but the current code has not been
     tested with an earlier compiler.
 
   o A version of a UUDECODE utility in your path.  The Makefiles and