patch 8.1.2222: accessing invalid memory

Problem:    Accessing invalid memory. (Dominique Pelle)
Solution:   Reset highlight_match every time.  (closes #5125)
diff --git a/src/version.c b/src/version.c
index 718ad65..2d0c84e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2222,
+/**/
     2221,
 /**/
     2220,