patch 8.2.4822: setting ufunc to NULL twice

Problem:    Setting ufunc to NULL twice.
Solution:   Set ufunc to NULL in find_exported(). (closes #19275)
diff --git a/src/version.c b/src/version.c
index 36adeb6..612d9e0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4822,
+/**/
     4821,
 /**/
     4820,