patch 8.2.1636: get stuck if a popup filter causes an error

Problem:    Get stuck if a popup filter causes an error.
Solution:   Check whether the function can be called and does not cause an
            error.  (closes #6902)

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1636,
 /**/
     1635,
 /**/