* setenv.c: Add prototype for _findenv to avoid inconsistancy of

	* setenv.c: Add prototype for _findenv to avoid inconsistancy of
	static vs. extern.

	* heuristic.c (find_either_ticket): Change krb5_tgtname() to
	ksu_tgtname().

	* ccache.c: Include <sys/types.h> and <sys/stat.h> for start()
	prototype.

	* krb_auth_su.c: Reindent for readability. Remove defunct
	code. Change use of krb5_tgtname to ksu_tgtname().

	* ksu.h: Include k5-util.h for krb5_seteuid() prototype. Add
	prototype for ksu_tgtname. Add prototype for unsetenv() if not
	defined.

	* main.c: Include grp.h for initgroups() prototype. Cleanup
	assignment in conditional warning. Reindent for
	readability. Arguments to print_status made consistant with regard
	to long vs. int. Change krb5_tgtname to ksu_tgtname. (do not use
	an internal krb5 function that is not advertised).

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13328 dc483132-0cff-0310-8789-dd5450dbe970