Merge pull request #1389: misc fixes/clippy suggestions #478

Job	Run time
build linux pkg-config	1m 32s
build bundled (macos-latest)	6m 34s
build vcpkg (macos-latest)	4m 25s
build bundled (ubuntu-latest)	2m 13s
build vcpkg (ubuntu-latest)	6m 47s
build bundled (windows-latest)	7m 20s
build vcpkg (windows-latest)	10m 33s
build bundled (--release, macos-latest)	2m 12s
build bundled (--release, ubuntu-latest)	2m 33s
build bundled (--release, windows-latest)	8m 34s
build bundled (static-link, macos-latest)	3m 16s
build bundled (static-link, ubuntu-latest)	2m 11s
build bundled (static-link, windows-latest)	6m 29s
build bundled (static-link, --release, macos-latest)	2m 1s
build bundled (static-link, --release, ubuntu-latest)	2m 23s
build bundled (static-link, --release, windows-latest)	8m 39s
	1h 17m 42s

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