[PATCH] rpcrt4: Fix implicit in attribute handling in write_param_fs.

[Jacek Caban]

Fixes regression caused by typelib marshaling rewrite.

Spotted by Kevin Puetz.

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/oleaut32/tests/tmarshal.c   | 13 +++++++++++++
  dlls/oleaut32/tests/tmarshal.idl |  4 ++++
  dlls/rpcrt4/ndr_typelib.c        |  6 ++++--
  3 files changed, 21 insertions(+), 2 deletions(-)