Clarify in the documentation that DNS entries added with CURLOPT_RESOLVE
won't time-out.
Bug: http://curl.haxx.se/mail/lib-2013-10/0062.html
Reported-by: Romulo Ceccon
This option effectively pre-populates the DNS cache with entries for the
host+port pair so redirects and everything that operations against the
-HOST+PORT will instead use your provided ADDRESS.
+HOST+PORT will instead use your provided ADDRESS. Addresses to set with
+\fICURL_RESOLVE\fP will not time-out from the DNS cache like ordindary
+entries.
You can remove names from the DNS cache again, to stop providing these fake
resolves, by including a string in the linked list that uses the format