[patch] fix for infinite recursion in lookup_symbol

[Eli Zaretskii]

On Thu, 18 Jan 2001, Fernando Nasser wrote:

> if any opposition causes the rejection of a patch, any individual
> can make his/her preferences prevail by systematically "opposing" to patches
> that go against his believes.

I assume that individuals with such attitude are absent from this fine 
forum.  I have yet to see any sign of such an approach from anyone here.

Therefore, I don't think we need to consider such a possibility as a
real one.