[1/3] msvcrt.dll: Tests for getenv_s and _wgetenv_s

[Piotr Caban]

> Is there any known MSVCRT version in which getenv_s is exported and 
> _set_invalid_parameter_handler is not? 
Both under Windows Vista and Windows 7 getenv_s is exported and
_set_invalid_paramter_handler is not.