oleaut32: Don't invoke a function that has the restricted attribute or is part of an interface that's marked as restricted.

To avoid having to interpolate infinities over fragments.

The only place MERF_SKIPPED was in debug code, and MERF_CALCBYWRAP was only
used to clear this unused flag value, so I got rid of both of them.

ME_StreamInText is only used in one function, ME_StreamIn, which always
calls ME_CommitUndo and ME_UpdateRepaint after calling this function.