Cleanup of redundant/useless header file inclusion.
ISC style lint, primarily for function declarations and standalone
comments -- ie, those that appear on a line without any code, which
should be written as follows:
/*
* This is a comment.
*/
and moved it to bin/named/client.c to reflect the fact that it
implemented BIND ACL policy more than general-purpose library
functionality; resolve ACL defaults at configuration time
rather than when the ACL is evaluated