rpcrt4/tests: Add a couple of tests for marshalling an array of strings. Take 2.

[Dmitry Timoshkov]

Marvin <testbot at winehq.org> wrote:

> === w8 (32 bit server) ===
> server.c:984: Test failed: get_ranged_enum() returned 1997012995 instead of RE3
> server.c:984: Test failed: get_ranged_enum() returned -65533 instead of RE3
> server.c:984: Test failed: get_ranged_enum() returned 1997012995 instead of RE3

These failures are not related to my tests.

-- 
Dmitry.