Beat Küng e6d71680ab px4_daemon server: fix packet reading
By reading sizeof(packet), it could have happened that 2 packets at once
were read, and the second one was then ignored.
This makes sure that only one packet at a time is read.

The other 2 changes are for efficiency.
2018-08-08 21:09:39 +02:00
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2018-08-08 21:09:39 +02:00