* authenc.c (telnet_gets): Cleanup assignment in conditional

	* authenc.c (telnet_gets): Cleanup assignment in conditional

	* commands.c: Include sys/wait.h, libtelent/auth.h,
	libtelnet/encrypt.h for prototypes. Explicity declare functions as
	returning int. Assignments in conditionals cleanup.

	* externs.h: Add numerous prototypes.

	* ring.c (ring_init): Explicitly declare as returning int.

	* ring.h: Add prototype for ring_at_mark().

	* telnet.c: Include unistd.h, libtelnet/auth.h,
	libtelnet/encrypt.h for prototypes. Delcare is_unique()
	static. Fix up format string for sprintf() to expect
	longs. Assignments in conditionals cleaned up.

	* main.c, terminal.c: Include libtelnet/encrypt.h for prototype.

	* utilities.c: Include sys/socket.h, libtelent/auth.h,
	libtelnet/encrypt.h for prototypes.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13287 dc483132-0cff-0310-8789-dd5450dbe970