c/external.c:727:8: warning: extra tokens at end of #endif directive

$ nl -ba c/external.c 
...
   723	  for (i = 0; i < nargs; i++) {
   724	    s48_ref_t ref = va_arg(arguments, s48_ref_t);
   725	#ifdef DEBUG_FFI
   726	    fprintf(stderr, "call_scheme_2: pushing arg %d ref %x\n", i, ref);
   727	#endif DEBUG_FFI

	Shouldn't there be no DEBUG_FFI on this line?

   728	    s48_push(s48_deref(ref));
   729	  }
...
$