patch 7.4.2340
Problem:    MS-Windows: Building with Ruby uses old version.
Solution:   Update to 2.2.X. Use clearer name for the API version. (Ken
            Takata)
diff --git a/src/version.c b/src/version.c
index 9214ce7..7dba27a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2340,
+/**/
     2339,
 /**/
     2338,