mips-tdep.c: Sign-extend pointers for n32

[Maciej W. Rozycki]

On Fri, 21 Dec 2007, Joel Brobecker wrote:

> Are you asking which TYPE_CODE enumerates are specific to Ada?

 Nope, not specifically -- just an example of a language that we support 
and which is considerably different from C (Java does not count -- it is 
close enough ;-) ).

  Maciej