merge from gcc

libiberty/xexit.c

@@ -41,11 +41,10 @@ Termination is handled via the system's normal @code{exit} call.
 
 /* This variable is set by xatexit if it is called.  This way, xmalloc
    doesn't drag xatexit into the link.  */
-void (*_xexit_cleanup) PARAMS ((void));
+void (*_xexit_cleanup) (void);
 
 void
-xexit (code)
-     int code;
+xexit (int code)
 {
   if (_xexit_cleanup != NULL)
     (*_xexit_cleanup) ();