wininet: Fix behaviour of InternetTimeFromSystemTimeA/W when a buffer that is too small is passed in.

The typeof keyword isn't available on all compilers so avoid it if at
all possible.

mlang/tests: windows 2008's version of mlang E_FAILs when you pass in a rgelt in IEnumCodePage::Next.

mlang/tests: Skip testing a codepage returning the buggy, legacy unicodeFEFF charset (only appears to exist on windows 2008).

mlang/tests: GetLastError may not be set if Japanese conversions fail with S_FAIL so do not require that to skip the Japanese tests.

mlang/tests: Some versions of native mlang return E_FAIL when source string is NULL and a source length is supplied.

mlang/tests: IMultiLanguage2_GetRfc1766FromLcid can return S_FALSE on partial name matching so deal with this properly.

imm32: ImmConfigureIME should return 0 when the type is IME_CONFIG_REGISTERWORD and the data is NULL.

Use the _HRESULT_TYPEDEF_ macro to ensure that the error codes get the
correct type.

MSVC requires that calling conventions appear inside the brackets.

Use ARRAYSIZE() on the constant string arrays instead.

winedos: Compare HRESULT value explicitly against S_OK instead of using an implicit != 0 comparison.

wininet: Compare HRESULT values explicitly against S_OK instead of using an implicit != 0 comparison.