Don't write log messages to the umbilical pipe if we don't detach.
authorGuus Sliepen <guus@tinc-vpn.org>
Wed, 20 May 2015 19:25:06 +0000 (21:25 +0200)
committerGuus Sliepen <guus@tinc-vpn.org>
Wed, 20 May 2015 19:25:06 +0000 (21:25 +0200)
If we run in the foreground and are started by the CLI, this would
otherwise cause the first few log messages to appear twice.


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