Fix strict-prototypes compile warnings #231

Job	Run time
Linter	50s
Test (3.7, ubuntu)	17s
Test (3.7, macos)	48s
Test (3.7, windows)	1m 23s
Test (3.7, Y, ubuntu)	21s
Test (3.8, ubuntu)	21s
Test (3.8, macos)	38s
Test (3.8, windows)	1m 5s
Test (3.8, Y, ubuntu)	22s
Test (3.9, ubuntu)	23s
Test (3.9, macos)	37s
Test (3.9, windows)	1m 26s
Test (3.9, Y, ubuntu)	18s
Test (3.10, ubuntu)	18s
Test (3.10, macos)	49s
Test (3.10, windows)	1m 28s
Test (3.10, Y, ubuntu)	23s
Test (3.11, ubuntu)	28s
Test (3.11, macos)	31s
Test (3.11, windows)	1m 39s
Test (3.11, Y, ubuntu)	20s
Test (3.12, ubuntu)	23s
Test (3.12, macos)	29s
Test (3.12, windows)	1m 30s
Test (3.12, Y, ubuntu)	26s
Test (pypy-3.8, Y, ubuntu)	49s
Tests status	10s
Pre-Deploy	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Deploy	0s
	18m 32s

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