turn on -f (force open of non-regular files) in more mode.

usr.bin/less/less/main.c

@@ -104,6 +104,7 @@ main(argc, argv)
 		scan_option("-E");
 		scan_option("-m");
 		scan_option("-G");
+		scan_option("-f");
 		scan_option(getenv("MORE"));
 	} else
 		scan_option(getenv("LESS"));