patch 8.2.4098: typing "interrupt" at debug prompt may keep exception around

Problem:    Typing "interrupt" at debug prompt may keep exception around,
            causing function calls to fail.
Solution:   Discard any exception at the toplevel. (closes #9532)
diff --git a/src/version.c b/src/version.c
index 7a75be3..879a0e8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4098,
+/**/
     4097,
 /**/
     4096,