c-ares / c-ares / 14331569800

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At no point should a resend occur directly during answer parsing.
It needs to be queued up to be processed after all the answers
are taken off the wire to re-send any queries.  Because immediate
resending can hit error conditions that can cause the conneciton
to be closed this needs to be avoided at all costs.

This patch simply introduces a queue of queries to be resent which
will then be sent after all answers are processed when the
connection handle is no longer needed.

Signed-off-by: Brad House (@bradh352)

Signed-off-by: Brad House (@bradh352)

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