patch 8.2.4578: no warning when autoload script for completion has an error

Problem:    No warning when an autoload script for completion function has an
            error.
Solution:   Do not ignore errors when a function name is given with a dot or
            '#' character. (closes #9958)
diff --git a/src/version.c b/src/version.c
index ba0058b..4c6920f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4578,
+/**/
     4577,
 /**/
     4576,