[PATCH v2] rpcrt4/tests: Avoid type redefinition.

[Jacek Caban]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46680
Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/rpcrt4/tests/server.c   |  2 +-
  dlls/rpcrt4/tests/server.idl | 50 +++++++++++++++++++-----------------
  2 files changed, 28 insertions(+), 24 deletions(-)