newlib/winsup/cygwin/release/1.7.32

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What's new:
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- Export __cxa_atexit and __cxa_finalize to allow C++ standards-compliant
destructor handling in libstdc++ and g++ compiled code.
Please note that, in order to benefit from this new feature, C++ code
must be recompiled with the upcoming gcc 4.8.3-3 release which will
enable the -fuse-cxa-atexit flag by default, and that C++ applications
using this feature will not run on older Cygwin releases.
- Support more recent CPU flags in /proc/cpuinfo.
Bug Fixes
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- Decorate attribute names with __, for namespace safety in various header
files.
Addresses: https://cygwin.com/ml/cygwin/2014-07/msg00371.html
- Fix sys/file.h for using in C++ code.
Addresses: https://cygwin.com/ml/cygwin/2014-08/msg00122.html