patch 7.4.2197
Problem:    All functions are freed on exit, which may hide leaks.
Solution:   Only free named functions, not reference counted ones.
diff --git a/src/version.c b/src/version.c
index 85053e1..5ba3eec 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2197,
+/**/
     2196,
 /**/
     2195,