Merge pull request #334 from rhusar/333-unused-messages #883

Job	Run time
make-fedora-latest	1m 0s
cmake-fedora-latest (gcc)	47s
cmake-fedora-latest (clang)	51s
make-httpd-maintainer-mode (oldest-supported)	31s
clang-format-style-check	21s
make-httpd-maintainer-mode (latest)	34s
make-with-httpd-trunk	3m 40s
tests	1h 20m 12s
cmake-windows-latest	42s
doxygen	25s
perl-tests	3m 3s
	1h 32m 6s

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