[patch] alias.c: Replace "return NULL_RTX" with "return 0".

[Fergus Henderson]

On 12-Jun-2003, Kazu Hirata <kazu@cs.umass.edu> wrote:
> Attached is a patch to replace "return NULL_RTX" with "return 0".

I think it would be better style to replace NULL_RTX with NULL
rather than with 0.

-- 
Fergus Henderson <fjh@cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.