patch 9.0.0629: get an error for using const only when executing

Problem:    Get an error for using const only when executing.
Solution:   Check for const at compile time for filter(), map(), remove(),
            reverse(), sort() and uniq().

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    629,
 /**/
     628,
 /**/