[Bug 190620] New: [MAINTAINER UPDATE] update dns/wdns to version 0.6.0

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190620

            Bug ID: 190620
           Summary: [MAINTAINER UPDATE] update dns/wdns to version 0.6.0
           Product: Ports Tree
           Version: Latest
          Hardware: Any
                OS: Any
            Status: Needs Triage
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: truckman at FreeBSD.org

Created attachment 143373
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=143373&action=edit
patch to update Makefile, distinfo, and pkg-plist

* wdns_reverse_name(): fix buffer overflow on invalid input. This function
    now returns a 'wdns_res' that callers must check. This changes the
    API/ABI.

  * wdns_res_to_str(): new function.

  * wdns_str_to_name(): prevent use-after-free in callers which don't check
    the return value.

  * wdns_len_uname(): enforce WDNS_MAXLEN_NAME limit on input data.

  * wdns_parse_message(): fix a leak-on-error.

  * Various fixes to several functions, detected by static analysis.

  * Drop "-Wl,--as-needed" from LDFLAGS.

  * Begin versioning the library's symbols. (Based on ld-version-script.m4
    from gnulib.)

Also, delete extraneous USE_PKGCONFIG= from port Makefile.

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