First part of this change was proposed by Byeong-Sik Jeon.
Additionally respect parameters give to us by ImmSetCompositionWindow
for placement of the composition window.

Remove unneeded checks on the GetModuleHandle() return value for cases where we are linked with the dll.

rpcrt4: Fixing the using of the auth_len values the wrong way round - PKT_PRIVACY implies the packet will be encrypted, not just signed.

ole32: Do a case-insensitive comparison in the count_moniker_matches in the moniker tests as Win9x marshals an all upper-case file name for file monikers.