[PATCH] rpcrt4/tests: Use --prefix-client to avoid duplicated function implementations.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
As suggested by Zebediah.

  dlls/rpcrt4/tests/Makefile.in       |   4 +-
  dlls/rpcrt4/tests/server.c          | 712 ++++++----------------------
  dlls/rpcrt4/tests/server.idl        | 184 +++----
  dlls/rpcrt4/tests/server_interp.idl |   3 +-
  4 files changed, 239 insertions(+), 664 deletions(-)