patch 9.2.0065: memory leak in invoke_sync_listeners()

Problem:  memory leak in invoke_sync_listeners()
Solution: Free the recorded_changes on early return
          (Huihui Huang).

closes: #19516

Signed-off-by: Huihui Huang <625173@qq.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/change.c

@@ -557,7 +557,10 @@ invoke_sync_listeners(
 
     dict = dict_alloc();
     if (dict == NULL)
+    {
+	list_unref(recorded_changes);
 	return;
+    }
 
     dict_add_number(dict, "lnum", (varnumber_T)start);
     dict_add_number(dict, "end", (varnumber_T)end);

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    65,
 /**/
     64,
 /**/