patch 8.2.4751: mapping <SID>name.Func does not work for autoload script

Problem:    Mapping <SID>name.Func does not work for script in autoload
            directory.
Solution:   Use the # form for a script in the autoload directory.
            (closes #10186)
diff --git a/src/version.c b/src/version.c
index 68b61f4..db82785 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4751,
+/**/
     4750,
 /**/
     4749,