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)
diff --git a/src/version.c b/src/version.c
index 2a2de13..874bd70 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1636,
+/**/
     1635,
 /**/
     1634,