Static initializers in shell32 called multiple times on MSVC builds

Constructors for global objects in shell32 are called 2 times.

both CRT_INIT and _do_global_ctors call into the list of initializers.

The hack here:
https://git.reactos.org/?p=reactos.git;a=blob;f=reactos/dll/win32/shell32/shell32.cpp;hb=594dd74e61cb2589983bae7d95f3f04c07077082#l293
makes some constructors even be called 3 times.