Do not require file-logging for command logging block-line-buffer str… #341

Job	Run time
lint	3m 49s
cabal (9.6.5, macos-latest)	4m 48s
nix (macos-latest)	4m 51s
cabal (9.6.5, ubuntu-latest)	4m 47s
nix (ubuntu-latest)	4m 46s
notify-tests (macos-latest)	4m 49s
cabal (9.8.2, --project-file cabal.ghc982.project, macos-latest)	4m 49s
stack (macos-latest, false)	38s
cabal (9.8.2, --project-file cabal.ghc982.project, ubuntu-latest)	4m 48s
stack (ubuntu-latest, true)	4m 47s
cabal (9.10.1, macos-latest)	2m 59s
cabal (9.10.1, ubuntu-latest)	36s
release_linux	1s
release_linux_static	1s
release_osx	1s
merge	1s
	46m 31s

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