patch 8.0.0698: crash on exit when using Python function in timer.

Problem:    When a timer uses ":pyeval" or another Python command and it
            happens to be triggered while exiting a Crash may happen.
            (Ricky Zhou)
Solution:   Avoid running a Python command after python_end() was called.
            Do not trigger timers while exiting.  (closes #1824)
diff --git a/src/version.c b/src/version.c
index bd09de5..bd4c3e1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    698,
+/**/
     697,
 /**/
     696,