DNSAPI: add a configure check for the resolver library and header

[Hans Leidekker]

 -Hans

Changelog
  Add a configure check for the resolver library and header.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: dnsapi_05.diff
Type: text/x-diff
Size: 3205 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20060409/8dcfc6bc/dnsapi_05.diff