When a server reload fails, print a note in `rndc status`.

Merged Tony Finch requested to merge fanf/bind9:u/fanf2/rndc-missing-newline into master

This is a fix for commit 517449e0. After a failed reload I noticed two problems:

  • There was a missing newline in the output of rndc status so it printed "reload/reconfig in progressserver is up and running"

  • The "reconfig in progress" note should have said "reconfig failed".

I have not been very successful getting rndc to actually print a "reload/reconfig in progress" notice. In the rndc system tests I tried running rndc status during the "loading of a large zone" checks, but there seems to be an exclusive lock somewhere that prevents control channel commands from running until the load has finished.

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