patch 7.4.1581
Problem:    Using ":call dict.func()" where the function is a partial does
            not work.  Using "dict.func()" where the function does not take a
            Dictionary does not work.
Solution:   Handle partial properly in ":call". (Yasuhiro Matsumoto)
diff --git a/src/version.c b/src/version.c
index cb29158..8af175e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1581,
+/**/
     1580,
 /**/
     1579,