re PR libstdc++/55169 (std::discrete_distribution::operator(generator&) makes unnecessary copy of parameter vector)

2012-11-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/55169
	* include/bits/random.h: Remove all uses of param().
	(chi_squared_distribution<>::__generate_impl(_ForwardIterator,
	_ForwardIterator, _UniformRandomNumberGenerator&): Declare
	* include/bits/random.tcc: ... define.
	* include/ext/random: Remove all uses of param().

From-SVN: r193092