patch 8.2.4584: error for using autoload function in custom completion

Problem:    Error for using autoload function in custom completion.
Solution:   Do not check for errors when using an autoload function.
            (closes #9962)
diff --git a/src/version.c b/src/version.c
index 4b5088c..b9ec937 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4584,
+/**/
     4583,
 /**/
     4582,