patch 8.2.3810: Vim9: expr4 test fails on MS-Windows

Problem:    Vim9: expr4 test fails on MS-Windows.
Solution:   Do not give an error for a missing function name when skipping.
diff --git a/src/version.c b/src/version.c
index c7f6fe7..6ce7173 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3810,
+/**/
     3809,
 /**/
     3808,