patch 8.2.4432: cannot use settabvar() while the cmdline window is open

Problem:    Cannot use settabvar() while the cmdline window is open.
Solution:   Only give an error when actually switching tabpage.
            (closes #9813)
diff --git a/src/version.c b/src/version.c
index 03f2bd0..203ea16 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4432,
+/**/
     4431,
 /**/
     4430,