Allow MICRO and WIN32 code paths to diverge

There's still a lot of overlap for 3.4.1, but not
100% any longer and it facilitates some improvements
- Allow error save files on WIN32

sys/share/pcsys.c

@@ -56,7 +56,7 @@ STATIC_DCL boolean NDECL(comspec_exists);
 extern int GUILaunched;    /* from nttty.c */
 #endif
 
-#ifdef MICRO
+#if defined(MICRO) || defined(WIN32)
 
 void
 flushout()
@@ -528,25 +528,4 @@ static void msexit()
 #endif
 	return;
 }
-#ifdef WIN32
-/*
- * This is a kludge.  Just before the release of 3.3.0 the latest
- * version of a popular MAPI mail product was found to exhibit
- * a strange result where the current directory was changed out
- * from under NetHack resulting in a failure of all subsequent
- * file operations in NetHack.  This routine is called prior
- * to all file open/renames/deletes in file.c.
- *
- * A more elegant solution will be sought after 3.3.0 is released.
- */
-void dircheck()
-{
-	char dirbuf[BUFSZ];
-	dirbuf[0] = '\0';
-	if (getcwd(dirbuf, sizeof dirbuf) != (char *)0)
-		/* pline("%s,%s",dirbuf,hackdir); */
-		if (strcmp(dirbuf,hackdir) != 0)
-			chdir(hackdir);		/* chdir, not chdirx */
-}
-#endif
 #endif /* MICRO || WIN32 || OS2 */

sys/share/pcunix.c

@@ -48,7 +48,7 @@ int fd;
 	return(0);
     }
 # else
-#  if defined(MICRO) && !defined(NO_FSTAT)
+#  if (defined(MICRO) || defined(WIN32)) && !defined(NO_FSTAT)
     if(fstat(fd, &buf)) {
 	if(moves > 1) pline("Cannot get status of saved level? ");
 	else pline("Cannot get status of saved game");