#5 boost date (localtime) deprecation warning on Win

[A. Sundman]

When compiling the flogger lib. using VCExpress, I get
the following warning:

C:\boost\include\boost-1_33_1\boost/date_time/c_time.hpp(68)

warning C4996: 'localtime' was declared deprecated
4> C:\Program Files\Microsoft Visual Studio
8\VC\include\time.inl(114) : see declaration of 'localtime'
4> Message: 'This function or variable may be
unsafe. Consider using localtime_s instead. To disable
deprecation, use _CRT_SECURE_NO_DEPRECATE. See online
help for details.'

The suggested fix (defining _CRT_SECURE_NO_DEPRECATE)
doesn't fix it. Investigate.

[A. Sundman]

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Temp. fix by #pragma warning(disable : 4996) on all windows
compilations. Seems to work fine though.

[A. Sundman]

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If this fix is not sufficient, a new bug or feature req.
should be created to manage it.