patch 7.4.1564
Problem:    An empty list in function() causes an error.
Solution:   Handle an empty list like there is no list of arguments.
diff --git a/src/version.c b/src/version.c
index 50d20f1..3cab689 100644
--- a/src/version.c
+++ b/src/version.c
@@ -744,6 +744,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1564,
+/**/
     1563,
 /**/
     1562,