patch 7.4.2137
Problem:    Using function() with a name will find another function when it is
            redefined.
Solution:   Add funcref().  Refer to lambda using a partial.  Fix several
            reference counting issues.
diff --git a/src/version.c b/src/version.c
index 7e1b45a..474b3b5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2137,
+/**/
     2136,
 /**/
     2135,