GCCE fixes (Bug 2971) : Remove IMPORT_C statements in ext_dat.h as these are not necessary within same module and cause "not constant" error with GCCE
using _STLP_NEW_IO_NAMESPACE::setiosflags;
using _STLP_NEW_IO_NAMESPACE::resetiosflags;
using _STLP_NEW_IO_NAMESPACE::setbase;
using _STLP_NEW_IO_NAMESPACE::setfill;
using _STLP_NEW_IO_NAMESPACE::setprecision;
using _STLP_NEW_IO_NAMESPACE::setw;