patch 9.0.0228: crash when pattern looks below the last line

Problem:    Crash when pattern looks below the last line.
Solution:   Consider invalid lines to be empty. (closes #10938)
diff --git a/src/version.c b/src/version.c
index 5d69c63..86be34d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -732,6 +732,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    228,
+/**/
     227,
 /**/
     226,