patch 8.2.3544: Unix: may leak file descriptor using non-existing directory

Problem:    Unix: may leak file descriptor when using a non-existing
            directory.
Solution:   Always close the file. (closes #9023)
diff --git a/src/version.c b/src/version.c
index c3f1fd6..227db82 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3544,
+/**/
     3543,
 /**/
     3542,