patch 7.4.1610
Problem:    Compiler warnings for non-virtual destructor.
Solution:   Mark the classe final. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 03282f8..8178342 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1610,
+/**/
     1609,
 /**/
     1608,