PR java/19070: Don't allow null v/s number comparisons

[Andrew Haley]

Ranjit Mathew writes:
 > +2005-01-18  Ranjit Mathew  <rmathew@hotmail.com>
 > +
 > +	PR java/19070
 > +	* parse.y (patch_binop): Allow comparisons against NULL only
 > +	if the other operand is of a reference type.

OK.

Andrew.