ole32: Avoid a deadlock when a being loaded DLL calls CoRegisterClassObject from its DLL_PROCESS_ATTACH handler.

[Dmitry Timoshkov]

Hello,

The patch originally has been created by Alexander Morozov, and
I've found it while trying to fix a similar problem.

CoRegisterClassObject calls RPC_StartLocalServer which creates
a thread, and does an infinite wait on its handle in order to allow
the thread finish creating a pipe. This leads to a deadlock in
the PE loader's 'loader_section'. The wait could be avoided by
moving the CreateNamedPipeW call out of the thread proc.

-- 
Dmitry.
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