ole32: Add StgCreateFile test and conformance fix

[Mike McCormack]

Mike Hearn wrote:

> diff --git a/dlls/ole32/storage32.c b/dlls/ole32/storage32.c

Fails the test cases on my system after applying ...

../../../tools/runtest -q -P wine -M ole32.dll -T ../../.. -p 
ole32_test.exe.so storage32.c && touch storage32.ok
err:storage:validateSTGM unknown flags 00010812
err:storage:validateSTGM unknown flags 00090012
err:storage:validateSTGM unknown flags 00810012
fixme:storage:StgCreateDocfile Transacted mode not implemented.
storage32.c:139: Test failed: StgCreateDocfile failed
storage32.c:141: Test failed: StgCreateDocfile failed
fixme:storage:StgCreateDocfile Transacted mode not implemented.

Mike