* libmisc/console.c, libmisc/motd.c, libmisc/setupenv.c,

libmisc/sulog.c, libmisc/hushed.c, libmisc/failure.c,
	libmisc/loginprompt.c, libmisc/ttytype.c,
	libmisc/pam_pass_non_interractive.c, src/userdel.c, src/login.c,
	lib/commonio.c, lib/commonio.h: Fix some const issues.
	* libmisc/motd.c: Avoid multi-statements lines.
	* libmisc/motd.c: Support long MOTD_FILE.
	* libmisc/list.c, lib/prototypes.h: Revert previous change.
	dup_list and is_on_list are used with members as defined for the
	group structure, and thus even if the list is not modified, the
	list elements cannot be constant strings.
	* libmisc/system.c: Avoid C++ comments.
	* src/vipw.c: WITH_TCB cannot be tested inside a gettextized
	string. Split the Usage string.
	* lib/commonio.h: Re-indent.

libmisc/failure.c

@@ -296,7 +296,7 @@ void failtmp (const char *username,
 #endif				/* !USE_UTMPX */
     )
 {
-	char *ftmp;
+	const char *ftmp;
 	int fd;
 
 	/*