M164: finding saved games in QT nethack start

Only 5 months old.  The Unix code to find saved games, currently only enabled
for Qt use, fails to use fqname and SAVEPREFIX, so it doesn't find saved
games when prefixes are in effect.

src/files.c

@@ -1083,13 +1083,13 @@ get_saved_games()
 	/* posixly correct version */
     int myuid=getuid();
     DIR *dir;
-    if((dir=opendir("save"))) {
+    if((dir=opendir(fqname("save", SAVEPREFIX, 0)))) {
 	for(n=0; readdir(dir); n++)
 		;
 	closedir(dir);
 	if(n>0) {
 		int i;
-		if(!(dir=opendir("save")))
+		if(!(dir=opendir(fqname("save", SAVEPREFIX, 0))))
 			return 0;
 	        result = (char**)alloc((n+1)*sizeof(char*)); /* at most */
 		for (i=0, j=0; i<n; i++) {
@@ -1116,7 +1116,7 @@ get_saved_games()
 		return result;
 	}
     }
-#endif
+#endif /* SELECTSAVED */
     return 0;
 }