Catch sneaky whitespace when culling va_list functions #949

Job	Run time
sdist	53s
ruff	8s
mypy	27s
tox (windows-latest)	1m 12s
tox (ubuntu-latest)	1m 5s
build (windows-latest, 3.8, x64)	3m 35s
build (windows-latest, 3.8, x86)	4m 16s
build (ubuntu-latest, 3.8, x64)	1m 20s
test-docs	2m 0s
build (windows-latest, pypy-3.8, x64)	4m 36s
build (windows-latest, pypy-3.8, x86)	6m 16s
parse_sdl (windows-latest, 2.0.14)	41s
build (ubuntu-latest, pypy-3.8, x64)	1m 39s
parse_sdl (macos-latest, 2.0.14)	23s
parse_sdl (windows-latest, 2.30.0)	35s
parse_sdl (macos-latest, 2.0.16)	22s
build-macos (pp38-*)	4m 11s
parse_sdl (windows-latest, 2.0.16)	39s
build-macos (cp38-*_universal2)	5m 8s
linux-wheels (x86_64, cp38-manylinux*)	1m 53s
parse_sdl (macos-latest, 2.30.0)	26s
linux-wheels (aarch64, cp38-manylinux*)	10m 12s
linux-wheels (x86_64, pp38-manylinux*)	2m 9s
linux-wheels (aarch64, pp38-manylinux*)	10m 9s
publish	0s
	1h 4m 15s

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