After the latest changes in libxml2, the meson-windows-2022.yml CI test fails.

libLibXml2.a(dict.c.obj) : error LNK2019: unresolved external symbol BCryptGenRandom referenced in function xmlInitRandom

BCryptGenRandom() is called only #ifdef _WIN32. The linker does not find it.

@talisein You added the meson-windows-2022.yml CI test. Can you make it work again?
I don't know if the bug is in the CI test file or somewhere else.