patch 9.1.0270: a few minor issues to fix

The following is a collection of some small fixes:

- Problem:  Vim9: funcref pointer pt leaks, when function is not found
  Solution: Free funcref pointer in case of error (fixes: #14254)

- Problem:  memory leak of crypt state pointer allocation fails
  Solution: free crypt state pointer properly (fixes: #14253)

- Problem:  Vim9: Leaking memory when compiling dict fails
  Solution: Free the memory in case of error (fixes: #14252)

- Problem:  Coverity complains about derefencing obj_members pointer
            (after v9.1.0261)
  Solution: Verify that obj_members ptr is non-null before accessing it

  References: https://scan5.scan.coverity.com/#/project-view/41242/10101?selectedIssue=1596133

closes: #14412

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 9f9386f..5a005bd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    270,
+/**/
     269,
 /**/
     268,