In set_filesystem(), call do_stat(), not link_stat() to ensure

that we get the directory behind it all.

flist.c

@@ -250,7 +250,7 @@ static dev_t filesystem_dev;
 static void set_filesystem(char *fname)
 {
 	STRUCT_STAT st;
-	if (link_stat(fname, &st) != 0)
+	if (do_stat(fname, &st) != 0)
 		return;
 	filesystem_dev = st.st_dev;
 }