* Makefile.in (t_walk_rtree, t_kerb): Do not link against kdb libraries

	* Makefile.in (t_walk_rtree, t_kerb): Do not link against kdb libraries
	for these test executables.

	* srv_rcache.c (krb5_get_server_rcache): Cast argument to
	isgraph() to int.

	* init_ctx.c: Cast arguments to isspace() to int. If unix is defined,
	include ../krb5_libinit.h. There has to be a better was for windows.

	* conv_princ.c (krb5_425_conv_principal): Cast argument to isupper().
	to int.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13340 dc483132-0cff-0310-8789-dd5450dbe970