patch 9.0.0487: using freed memory with combination of closures

Problem:    Using freed memory with combination of closures.
Solution:   Do not use a partial after it has been freed through the
            funcstack.

src/version.c

@@ -703,6 +703,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    487,
 /**/
     486,
 /**/