Fix alignment issues with Intel macOS builds #886

Job	Run time
Amalgamated build (Ubuntu 22.04)	5s
CMake build + tests (macOS-latest )	25s
fuzzing (address)	11m 16s
CMake build + tests (macOS-latest -DZYAN_NO_LIBC=ON)	16s
fuzzing (undefined)	11m 15s
MSBuild build (windows-2022)	1m 34s
CMake build + tests (windows-2022 )	1m 36s
fuzzing (memory)	11m 17s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	1m 15s
CMake build + tests (ubuntu-22.04 )	7s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	6s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	6s
CMake build + tests (windows-2022 -TClangCL)	2m 11s
	41m 29s

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