[boost] [thread] patch to suppress msvc warnings

Subject: [boost] [thread] patch to suppress msvc warnings
From: Jürgen Hunold (jhunold_at_[hidden])
Date: 2012-09-22 11:31:39

Hi Vicente,

I get lots of noisy warning from win32/thread_data.hpp

Example:

boost/thread/win32/thread_data.hpp(90) : warning C4251: 
'boost::detail::thread_data_base::thread_handle' : class 
'boost::detail::win32::handle_manager' needs to have dll-interface to be used 
by clients of struct 'boost::detail::thread_data_base'

Patch suppressing those attached.

Okay to commit?

Yours,

Jürgen
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