zmq: point API link to 4.0 as that is what we are conforming to [Trivial]

Signed-off-by: Johnathan Corgan <johnathan@corganlabs.com>
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Johnathan Corgan 2015-10-12 13:39:47 -07:00
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commit 7d325b9de7
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@ -78,7 +78,7 @@ bytes).
These options can also be provided in bitcoin.conf. These options can also be provided in bitcoin.conf.
ZeroMQ endpoint specifiers for TCP (and others) are documented in the ZeroMQ endpoint specifiers for TCP (and others) are documented in the
[ZeroMQ API](http://api.zeromq.org). [ZeroMQ API](http://api.zeromq.org/4-0:_start).
Client side, then, the ZeroMQ subscriber socket must have the Client side, then, the ZeroMQ subscriber socket must have the
ZMQ_SUBSCRIBE option set to one or either of these prefixes (for ZMQ_SUBSCRIBE option set to one or either of these prefixes (for