[LSASRV]
- Implement LSA dispatch routines LsapAllocateClientBuffer, LsapFreeClientBuffer, LsapCopyToClientBuffer and LsapCopyFromClientBuffer.
- LsapCallAuthenticationPackage and LsapLogonUser: Copy data from the callers address space into a local buffer and pass it to the authentication package.

git-svn-id: svn://svn.reactos.org/reactos/trunk@58457 97493ccd-5924-5043-b1f5-66cb403b36ce