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
<foo>
<bar a="1"/>
<bar a="1" b="2"/>
<bar a="1" b="2" c="3"/>
<bar a="1" b="2" c="3" d="4"/>
<bar a="1" b="2" c="3" d="4" e="5"/>
<bar a="1" b="2" c="3" d="4" e="5" f="6"/>
<bar a="1" b="2" c="3"/>
<bar a="1"/>
</foo>