patch 8.1.2246: some tests are still in old style

Problem:    Some tests are still in old style.
Solution:   Change a few tests to new style. (Yegappan Lakshmanan)
diff --git a/src/version.c b/src/version.c
index d7c8c8b..5089d7d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2246,
+/**/
     2245,
 /**/
     2244,