(make_int): Cast the argument into <EMACS_INT>.

(make_int): Cast the argument into <EMACS_INT>.
(make_char): Likewise.
(XCHARVAL): Don't use the inline function for UTF-2000 in 64 bit
environment.
(XCHARVAL[for UTF-2000 in 32 bit environment]): Use <Emchar> instead
of <int> as the type of return value; use <Lisp_Object> instead of
<Emchar> as the type of argument.
(XCHARVAL[macro version]): Cast the result into <Emchar>.