* emacs.c: Make symbols static if they're not exported.

* emacs.c: Make symbols static if they're not exported.

(malloc_state_ptr, malloc_using_checking, syms_of_emacs):
(fatal_error_code, fatal_error_signal_hook, standard_args):
Now static.
(fatal_error_signal): Now static, unless FLOAT_CATCH_SIGKILL.
(DEFINE_DUMMY_FUNCTION): Mark function as externally visible.
(__CTOR_LIST__, __DTOR_LIST__): Now externally visible.
* lisp.h (fatal_error_signal_hook): Remove decl.
(fatal_error_signal): Declare only if FLOAT_CATCH_SIGKILL.