[ALPHA] Mark exit_code before waking process for SINGLESTEP.

From Aneesh Kumar <kvaneesh@yahoo.com>.

arch/alpha/kernel/ptrace.c

@@ -368,9 +368,9 @@ do_sys_ptrace(long request, long pid, long addr, long data,
 			break;
 		/* Mark single stepping.  */
 		child->thread_info->bpt_nsaved = -1;
+		child->exit_code = data;
 		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
 		wake_up_process(child);
-		child->exit_code = data;
 		/* give it a chance to run. */
 		ret = 0;
 		goto out;