Fix VC build by adding GOOGLE_GLOG_DLL_DECL


git-svn-id: http://google-glog.googlecode.com/svn/trunk@138 eb4d4688-79bd-11dd-afb4-1d65580434c0
Add StrError and replace posix_strerror_r calls

For now, we do not remove the declaration of posix_strerror_r,
but we might remove it in future.


git-svn-id: http://google-glog.googlecode.com/svn/trunk@139 eb4d4688-79bd-11dd-afb4-1d65580434c0