Some platforms seem to implicitly include the <XYZ.h> headers
which also add some types and functions (like strlen, size_t,...)
into the global namespace.

On other platforms though, this can result in compile errors, which
is noticeable in WebKit on e.g. QNX. See also:
https://bugs.webkit.org/show_bug.cgi?id=95468

https://codereview.appspot.com/6843083/

Contributed by Milian Wolff, Klaralvdavens Datakonsult AB.

git-svn-id: https://angleproject.googlecode.com/svn/trunk@1556 736b8ea6-26fd-11df-bfd4-992fa37f6226