patch 9.0.0868: MS-Windows: after Vim exits console resizing problem

Problem:    MS-Windows: after Vim exits console resizing does not work
            properly.
Solution:   Restore screen behavior checks for various WT and VTP
            combinations. (Christopher Plewright, closes #11526,
            closes #11507)
diff --git a/src/version.c b/src/version.c
index a7da316..b16f860 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    868,
+/**/
     867,
 /**/
     866,