patch 8.0.1283: test 86 fails under ASAN

Problem:    Test 86 fails under ASAN.
Solution:   Fix that an item was added to a dictionary twice.

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1283,
 /**/
     1282,
 /**/