* Makefile.in: Link krshd with KRSHDLIBS instead of LOGINLIBS

	* Makefile.in: Link krshd with KRSHDLIBS instead of LOGINLIBS

	* configure.in: Creare a new variable KRSHDLIBS which differs from
	LOGINLIBS by not including libkrb524.a. Test for getenv.

	* krcp.c: Prototype lostconn().

	* krlogind.c: Provide prototype for signal handler cleanup. Implied
	need to add extra argument to function - ensure consistant
	calling.

	* krsh.c: Provide prototype for signal handler sendsig.

	* krshd.c: Rewrite error() to use stdargs/varargs.
	(doit): When creating a tty name using getpid. Ensure that does
	not overflow tty string buffer.

	* login.c: Provide prototype for signal handler timedout.

	* setenv.c: Do not define getenv() unless needed.

	* v4rcp.c: Rewrite error() to use stdargs/varargs. Add signal
	number argument to lostconn(), include prototype, and ensure
	called consistantly.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13567 dc483132-0cff-0310-8789-dd5450dbe970