bug#11935: XINT etc. should be functions

[Chong Yidong]

Paul Eggert <eggert@cs.ucla.edu> writes:

> Here's a patch I plan to install after some more testing.  It changes
> lisp.h to prefer functions to function-like macros, and constants to
> object-like macros, when either will do.

I think this is too fundamental a change for 24.2.  Please don't
install.