patch 7.4.2305
Problem:    Marks, writefile and nested function tests are old style.
Solution:   Turn them into new style tests. (Yegappan Lakshmanan)
diff --git a/src/version.c b/src/version.c
index b0ee536..fa045f6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2305,
+/**/
     2304,
 /**/
     2303,