Use GNU style coding conventions for code in examples/ * examples/embedded.cc, examples/fortdemo.cc, examples/helloworld.cc, examples/make_int.cc, examples/mycell.c, examples/myfeval.c, examples/myfunc.c, examples/mypow2.c, examples/myprop.c, examples/myset.c, examples/mystring.c, examples/mystruct.c, examples/oct_demo.cc, examples/oregonator.cc: Use GNU style coding conventions for code in examples/

#include <octave/oct.h>

DEFUN_DLD (helloworld, args, nargout,
           "Hello World Help String")
{
  int nargin = args.length ();

  octave_stdout << "Hello World has "
                << nargin << " input arguments and "
                << nargout << " output arguments.\n";

  return octave_value_list ();
}