Bug 1713 - You can't check the existence of a typedef using the preprocessor. Added a preprocessor check. Also removed an overqualified method name.
# include <using/ostream>
using _STLP_NEW_IO_NAMESPACE::basic_istream;
using _STLP_NEW_IO_NAMESPACE::basic_iostream;
using _STLP_NEW_IO_NAMESPACE::istream;
using _STLP_NEW_IO_NAMESPACE::iostream;
# if !defined (_STLP_NO_NATIVE_WIDE_STREAMS)
using _STLP_NEW_IO_NAMESPACE::wistream;
using _STLP_NEW_IO_NAMESPACE::wiostream;
# endif
#if !(defined (_STLP_MSVC) && (_STLP_MSVC < 1200))
using _STLP_NEW_IO_NAMESPACE::ws;
#endif