* libc/stdlib/__atexit.c (__register_exitproc): NULL-ify

_on_exit_args_ptr when creating a new _atexit structure while
	_REENT_SMALL is defined.

newlib/ChangeLog

@@ -1,3 +1,9 @@
+2013-08-19  Meador Inge  <meadori@codesourcery.com>
+
+	* libc/stdlib/__atexit.c (__register_exitproc): NULL-ify
+	_on_exit_args_ptr when creating a new _atexit structure while
+	_REENT_SMALL is defined.
+
 2013-08-12  Bin Cheng  <bin.cheng@arm.com>
 
 	* libc/configure.in (--enable-newlib-wchar-orient): Remove.

newlib/libc/stdlib/__atexit.c

@@ -104,6 +104,8 @@ _DEFUN (__register_exitproc,
 #ifndef _REENT_SMALL
       p->_on_exit_args._fntypes = 0;
       p->_on_exit_args._is_cxa = 0;
+#else
+      p->_on_exit_args_ptr = NULL;
 #endif
 #endif
     }